Test Your Knowledge About Electric Charges! Trivia Quiz
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Questions and Answers
- 1.
Circuit with more than one path.
- A.
Parallel
- B.
Series
Correct Answer
A. ParallelExplanation
A circuit with more than one path is referred to as a parallel circuit. In a parallel circuit, the components are connected in such a way that the current has multiple paths to flow through. This means that if one component fails or is removed, the other components can still function independently. In contrast, a series circuit has only one path for the current to flow through, and if one component fails, the entire circuit will be disrupted. Therefore, the correct answer is parallel.Rate this question:
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- 2.
A material that currently does not easily flow through.
- A.
Conductor
- B.
Insulator
- C.
Electric discharge
- D.
Voltage
Correct Answer
B. InsulatorExplanation
An insulator is a material that does not easily allow the flow of electricity. It has high resistance and does not conduct electric current effectively. Therefore, an insulator can be considered as a material that currently does not easily flow through.Rate this question:
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- 3.
The rapid movement of excess electrons from one place to another.
- A.
Static electricity
- B.
Insulator
- C.
Electric discharge
- D.
Series
Correct Answer
C. Electric dischargeExplanation
Electric discharge refers to the rapid movement of excess electrons from one place to another. This movement occurs when there is a buildup of static electricity, which is the imbalance of electric charges on the surface of an object. When the electric field becomes strong enough, it causes the excess electrons to jump or flow through a conductor, creating a discharge of electricity. This discharge can result in phenomena such as sparks, lightning, or the glowing of gases in a discharge tube.Rate this question:
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- 4.
The rate at which electric energy is converted to another form.
- A.
Electric field
- B.
Static charge
- C.
Circuit
- D.
Power
Correct Answer
D. PowerExplanation
Power is the rate at which electric energy is converted to another form. It is a measure of how quickly energy is transferred or used. In the context of electricity, power is the amount of electrical energy consumed or produced per unit of time. It is calculated by multiplying the voltage and current in a circuit. Power is an important concept in understanding and analyzing electrical systems, as it determines the capacity and efficiency of devices and circuits.Rate this question:
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- 5.
Closed path through which a current can flow.
- A.
Circuit
- B.
Voltage
- C.
Resistance
- D.
Conductor
Correct Answer
A. CircuitExplanation
A circuit is a closed path through which a current can flow. It consists of various components such as conductors, resistors, and voltage sources. When a voltage is applied to a circuit, it creates a potential difference that drives the flow of electric current. The resistance in the circuit determines the amount of opposition to the flow of current. Therefore, a circuit is the correct answer as it encompasses all the necessary elements for the flow of current.Rate this question:
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- 6.
A buildup of electrical charges in one place.
- A.
Current electricity
- B.
Ohm's Law
- C.
Static charge
- D.
Electrical power
Correct Answer
C. Static chargeExplanation
The correct answer is static charge. Static charge refers to an accumulation of electrical charges in one place, typically caused by friction or separation of materials. Unlike current electricity, which involves the flow of charges through a conductor, static charge does not involve the movement of charges. Ohm's Law and electrical power are not relevant to the concept of static charge.Rate this question:
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- 7.
Exists around every electric charge.
- A.
Insulator
- B.
Electric field
- C.
Voltage
- D.
Electric discharge
Correct Answer
B. Electric fieldExplanation
An electric field exists around every electric charge. It is a region in which an electric force is exerted on other charged particles. The strength and direction of the electric field depend on the magnitude and sign of the charge. Electric fields can be created by both positive and negative charges, and they can interact with other charges to produce various effects.Rate this question:
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- 8.
A steady flow of electrons.
- A.
Static charge
- B.
Current
- C.
Electric field
- D.
Voltage
Correct Answer
B. CurrentExplanation
The correct answer is current. Current refers to the flow of electric charge, specifically the movement of electrons through a conductor. It is a measure of the rate at which charge passes through a given point in a circuit. A steady flow of electrons is a characteristic of current, indicating the continuous movement of charge.Rate this question:
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- 9.
The relationship between voltage, current, and resistance.
- A.
Electric power
- B.
Electric current
- C.
Parallel
- D.
Ohm's Law
Correct Answer
D. Ohm's LawExplanation
Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage applied across it and inversely proportional to the resistance of the conductor. In other words, the relationship between voltage, current, and resistance can be represented by the equation V = IR, where V is the voltage, I is the current, and R is the resistance. This law is fundamental in understanding and calculating the behavior of electrical circuits, as it allows us to determine the current or voltage in a circuit given the other two parameters.Rate this question:
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- 10.
Measure of how difficult it is for electrons to flow.
- A.
Series
- B.
Resistance
- C.
Conductor
- D.
Static charge
Correct Answer
B. ResistanceExplanation
Resistance is a measure of how difficult it is for electrons to flow. It is a property of a material that opposes the flow of electric current. In other words, resistance is the hindrance or opposition to the movement of electrons through a conductor. The higher the resistance, the more difficult it is for electrons to flow. Resistance is measured in ohms (Ω) and is influenced by factors such as the material of the conductor, its length, cross-sectional area, and temperature.Rate this question:
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- 11.
A material that current flows through easily.
- A.
Conductor
- B.
Insulator
- C.
Electric discharge
- D.
Parallel
Correct Answer
A. ConductorExplanation
A conductor is a material that allows electric current to flow through it easily. This means that it has a high conductivity and low resistance. Conductors typically have free electrons that can move easily within the material, allowing the flow of electric charge. Examples of conductors include metals like copper and aluminum. In contrast, insulators do not allow current to flow easily and have high resistance. Electric discharge refers to the release of electric energy, and parallel refers to the arrangement of components in an electrical circuit.Rate this question:
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- 12.
The measure of electrical potential energy.
- A.
Conductor
- B.
Voltage
- C.
Circuit
- D.
Series
Correct Answer
B. VoltageExplanation
Voltage is the measure of electrical potential energy. It represents the amount of potential energy per unit charge that is available in an electrical circuit. Voltage is measured in volts and is responsible for the flow of electric current in a circuit. It is created by a difference in electrical potential between two points in a circuit, and it determines the direction and magnitude of the current. In other words, voltage is a measure of the force that pushes electric charges through a circuit, allowing electrical energy to be transferred and utilized.Rate this question:
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- 13.
An atom with a positive or negative charge.
- A.
Electric field
- B.
Resistance
- C.
Parallel circuit
- D.
Ion
Correct Answer
D. IonExplanation
An ion is an atom that has gained or lost electrons, resulting in a positive or negative charge. Ions are formed when atoms interact with other atoms or molecules, either by gaining or losing electrons. These charged particles are then able to interact with electric fields and contribute to electrical conductivity. In a parallel circuit, ions can move freely between different paths, allowing for multiple pathways for the flow of electric current. Therefore, an ion is the best explanation for an atom with a positive or negative charge.Rate this question:
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- 14.
A circuit with more than one path along which current can flow.
- A.
Series
- B.
Parallel
- C.
Electric discharge
- D.
Resistance
Correct Answer
B. ParallelExplanation
A circuit with more than one path along which current can flow is called a parallel circuit. In a parallel circuit, the components are connected in such a way that the current has multiple paths to follow. This means that the current can split up and flow through each path independently. In contrast, a series circuit has only one path for the current to flow through.Rate this question:
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- 15.
Which unit would we use to measure the power of a microwave oven?
- A.
Ampere
- B.
Volt
- C.
Watt
- D.
Ohm
Correct Answer
C. WattExplanation
A watt is the unit of measurement for power, which is the rate at which work is done or energy is transferred. In the context of a microwave oven, power is the amount of energy it uses to generate heat and cook food. Therefore, the power of a microwave oven would be measured in watts.Rate this question:
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- 16.
What unit of measure do we use to measure the strength of a battery?
- A.
Volt
- B.
Power
- C.
Ampere
- D.
Ohm
Correct Answer
A. VoltExplanation
The strength of a battery is measured in volts. Volts represent the electrical potential difference or the amount of electrical pressure that a battery can provide. Power is a measure of the rate at which energy is transferred or used, and it is not directly related to the strength of a battery. Ampere is a unit of electric current, which measures the flow of electric charge, and ohm is a unit of electrical resistance. Neither of these units directly measures the strength of a battery.Rate this question:
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- 17.
The unit of measure we use to measure the current flowing through a wire.
- A.
Ampere
- B.
Ohm
- C.
Watt
- D.
Volt
Correct Answer
A. AmpereExplanation
The unit of measure used to quantify the current flowing through a wire is ampere. Ampere is a fundamental unit of electric current in the International System of Units (SI). It is named after the French physicist André-Marie Ampère and is defined as one coulomb of charge passing through a point in one second.Rate this question:
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- 18.
The unit of measure of the resistance of a wire.
- A.
Amperes
- B.
Ohm
- C.
Volt
- D.
Watt
Correct Answer
B. OhmExplanation
The unit of measure for the resistance of a wire is ohm. Resistance is a measure of how much a wire opposes the flow of electric current. The ohm is named after the German physicist Georg Simon Ohm, who formulated Ohm's Law, which relates current, voltage, and resistance in an electrical circuit. The ohm is represented by the symbol Ω and is defined as one volt per ampere. Therefore, the correct answer is ohm.Rate this question:
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- 19.
Place a checkmark beside all the following that are good conductors.
- A.
Dry skin
- B.
Water
- C.
Rubber
- D.
Iron
- E.
Copper
- F.
Styrofoam
Correct Answer(s)
B. Water
D. Iron
E. CopperExplanation
Water, iron, and copper are good conductors of electricity because they have free electrons that can move easily through the material. This allows electric current to flow through them. Dry skin, rubber, and styrofoam are insulators and do not allow the flow of electric current.Rate this question:
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- 20.
Place a checkmark beside all of the insulators.
- A.
Iron
- B.
Rubber
- C.
Dry skin
- D.
Copper
- E.
Styrofoam
- F.
Water
Correct Answer(s)
B. Rubber
C. Dry skin
E. StyrofoamExplanation
Insulators are materials that do not conduct electricity or heat easily. Rubber, dry skin, and styrofoam are all examples of insulators because they do not allow the flow of electricity or heat through them. Iron and copper, on the other hand, are conductors and allow the flow of electricity. Water can also conduct electricity to some extent, depending on its purity, so it is not considered a good insulator.Rate this question:
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- 21.
A toaster is plugged into a 110-volt outlet. What is the resistance of the toaster if the current in the toaster is 10 A? Write your answer to the nearest 10th. _____Ohms.
Correct Answer(s)
11
11.0Explanation
The resistance of the toaster can be calculated using Ohm's Law, which states that resistance is equal to voltage divided by current. In this case, the voltage is 110 volts and the current is 10 A. Therefore, the resistance of the toaster is 110 volts divided by 10 A, which equals 11 Ohms. The answer can also be written as 11.0 Ohms, as it is rounded to the nearest tenth.Rate this question:
- 22.
A hair dryer uses 1,000 W when it is plugged into a 110-volt outlet. What is the current in the hair dryer? Write your answer to the nearest 10th. ______A.
Correct Answer(s)
9
9.0
9.1Explanation
The current in the hair dryer can be calculated using Ohm's Law, which states that current (I) is equal to power (P) divided by voltage (V). In this case, the power is given as 1,000 W and the voltage is 110 V. By dividing 1,000 by 110, we get approximately 9.1. Therefore, the current in the hair dryer is 9.1 amperes.Rate this question:
- 23.
A lightbulb with a resistance of 10 ohms is connected to a battery. If the current in the lightbulb is 0.10 A, what is the voltage of the battery? Write your answer to the nearest 10th. ____ V.
Correct Answer(s)
1
1.0Explanation
The voltage of the battery can be calculated using Ohm's Law, which states that voltage (V) is equal to current (I) multiplied by resistance (R). In this case, the current is given as 0.10 A and the resistance is 10 ohms. Therefore, the voltage of the battery can be calculated as 0.10 A * 10 ohms = 1 V. The answer is 1, or 1.0 when rounded to the nearest tenth.Rate this question:
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Mar 20, 2023Quiz Edited by
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Apr 11, 2012Quiz Created by
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