Capacitor Questions: 11th Grade Quiz!

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Quizzes Created: 9 | Total Attempts: 50,196
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  • 1/15 Questions

    The unit of capacitance is:

    • Fahad
    • Micro Farad
    • Farad
    • Nano Farad
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About This Quiz


What do you know about capacitors? This quiz is for 11th graders. During this quiz, you will need to grasp how capacitors store energy, the parts of the capacitor, the difference between capacitor and battery, what the value of a capacitor depends on, and what the unit is of capacitance. You will also be presented pictures, and you must determine what they mean. You will truly benefit from taking this quiz.

Capacitor Questions: 11th Grade Quiz! - Quiz

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  • 2. 
    The picture shows capacitors are connected in - ProProfs

    The picture shows capacitors are connected in

    • Parallel

    • Parallel as well as series

    • Series

    • Non of the above

    Correct Answer
    A. Series
    Explanation
    The picture shows capacitors connected in series. This can be determined by observing that the positive terminal of one capacitor is connected to the negative terminal of the next capacitor, creating a continuous loop. In a series connection, the total capacitance is reduced and the total voltage across the capacitors is divided between them.

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  • 3. 
    The total capacitance is - ProProfs

    The total capacitance is

    • 9 micro Farad

    • 3 micro Farad

    • 1/3 micro farad

    • 1/9 micro farad

    Correct Answer
    A. 9 micro Farad
    Explanation
    The total capacitance is 9 micro Farad because it is the only option that matches the given answer.

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  • 4. 
    The picture shows the symbol of  - ProProfs

    The picture shows the symbol of 

    • Non polarized capacitor

    • Polarized capacitor

    • Variable capacitor

    • All of the above

    Correct Answer
    A. Polarized capacitor
    Explanation
    The correct answer is Polarized capacitor. The symbol in the picture represents a polarized capacitor. A polarized capacitor is a type of capacitor that has a positive and negative terminal, indicating a specific polarity. This type of capacitor is designed to be used in circuits where the polarity of the voltage is important. It is important to connect a polarized capacitor in the correct orientation to ensure proper functionality.

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  • 5. 
    The formula is used to calculate the total capacitance in  - ProProfs

    The formula is used to calculate the total capacitance in 

    • Parallel

    • Series

    • Can used for both

    • All of the above

    Correct Answer
    A. Parallel
    Explanation
    The formula to calculate the total capacitance in parallel is used when multiple capacitors are connected in parallel. In this configuration, the total capacitance is equal to the sum of the individual capacitances. This means that the capacitors share the same voltage across them, but the total capacitance increases. This formula is not applicable for series connections, as the total capacitance in series is calculated differently. Therefore, the correct answer is "Parallel".

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  • 6. 

    The capacitors stores energy in the form of:

    • Magnetic field

    • Electric field

    • Both magnetic and Electric field

    • Non of the above

    Correct Answer
    A. Electric field
    Explanation
    Capacitors store energy in the form of an electric field. When a voltage is applied across the capacitor, it creates an electric field between its plates. This electric field stores the energy in the form of potential energy, which can be released when the capacitor is discharged. The energy is stored in the electric field between the plates, not in a magnetic field.

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  • 7. 

    The differences between Capacitor and Battery is:

    • Shape

    • No chemical is used

    • Length

    • Size

    Correct Answer
    A. No chemical is used
    Explanation
    The correct answer is "No chemical is used." This is because one of the main differences between a capacitor and a battery is the absence of chemical reactions in a capacitor. While a battery relies on chemical reactions to generate and store electrical energy, a capacitor does not involve any chemical processes. Instead, a capacitor stores energy in an electric field between its plates, without the need for any chemical reactions.

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  • 8. 
    The picture shows the symbol of  - ProProfs

    The picture shows the symbol of 

    • Fixed Capacitor

    • Variable Capacitor

    • Series Capacitor

    • Non Variable Capacitor

    Correct Answer
    A. Variable Capacitor
    Explanation
    The picture shows a symbol that represents a variable capacitor. A variable capacitor is a type of capacitor whose capacitance can be adjusted manually or automatically. It is used in electronic circuits where the capacitance needs to be changed for tuning or adjusting the frequency of a circuit. The symbol in the picture resembles two parallel lines with an arrow pointing towards them, which is commonly used to represent a variable capacitor in circuit diagrams.

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  • 9. 
    The formula is used to calculate the total capacitance in  - ProProfs

    The formula is used to calculate the total capacitance in 

    • Parallel

    • Series

    • Can be used for both

    • Non of the above

    Correct Answer
    A. Series
    Explanation
    The formula for calculating the total capacitance in series is obtained by adding the reciprocals of the individual capacitances. This is because in a series circuit, the total capacitance is reduced as the capacitors are connected in a way that the same amount of charge is stored on each capacitor. Therefore, the formula for calculating the total capacitance in series is 1/Ctotal = 1/C1 + 1/C2 + 1/C3 + ... + 1/Cn.

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  • 10. 

    The value of Capacitor depend on:

    • Plate area, Distance between plate and dielectric

    • Only on Plate area, Distance between plate

    • Only on Distance between plate and dielectric

    • All of the above

    Correct Answer
    A. Plate area, Distance between plate and dielectric
    Explanation
    The value of a capacitor depends on both the plate area and the distance between the plate and the dielectric. The plate area determines the amount of charge that can be stored on the capacitor, while the distance between the plate and the dielectric affects the capacitance by determining how much electric field can be established for a given voltage. Therefore, both factors are essential in determining the value of a capacitor.

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  • 11. 
    The picture shows the symbol of: - ProProfs

    The picture shows the symbol of:

    • Polarized Capacitor

    • Variable Capacitor

    • Non Polarized Capacitor

    • Non of the above

    Correct Answer
    A. Non Polarized Capacitor
    Explanation
    The symbol in the picture represents a non-polarized capacitor. A non-polarized capacitor is a type of capacitor that can be connected in any direction in a circuit. Unlike polarized capacitors, which have a positive and negative terminal, non-polarized capacitors do not have any polarity and can be used in both AC and DC circuits. This symbol is commonly used to represent non-polarized capacitors in circuit diagrams and schematics.

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  • 12. 
    A capacitor is connected with battery, What will happen to the capacitor? - ProProfs

    A capacitor is connected with battery, What will happen to the capacitor?

    • Capacitor will get damage

    • Capacitor will not damage

    • Capacitor may damage

    • All of the above

    Correct Answer
    A. Capacitor will not damage
    Explanation
    When a capacitor is connected to a battery, it will not get damaged. A capacitor is designed to store and release electrical energy, and when connected to a battery, it charges up and stores the electrical charge. As long as the voltage across the capacitor does not exceed its maximum rating, it will not get damaged. Therefore, the correct answer is that the capacitor will not be damaged when connected to a battery.

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  • 13. 
    The formula is used to calculate the  - ProProfs

    The formula is used to calculate the 

    • Capacitance

    • Resistance

    • Capacitive reactance

    • Frequency of applied voltage

    Correct Answer
    A. Capacitive reactance
    Explanation
    Capacitive reactance is a term used in electrical engineering to describe the opposition that a capacitor presents to alternating current (AC) flow. It is dependent on the frequency of the applied voltage and the capacitance of the capacitor. The formula used to calculate capacitive reactance is Xc = 1 / (2Ï€fC), where Xc is the capacitive reactance, f is the frequency, and C is the capacitance. This formula allows engineers to determine the capacitive reactance of a circuit, which is crucial for analyzing and designing AC circuits involving capacitors.

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  • 14. 

    The parts of a Capacitor are:

    • Metal Plates and Dielectric

    • Metal Plates and Charges

    • One Dielectric and two metal plates

    • All of the above

    Correct Answer
    A. One Dielectric and two metal plates
    Explanation
    The correct answer is "One Dielectric and two metal plates". A capacitor consists of two metal plates separated by a dielectric material. The dielectric material acts as an insulator and prevents direct contact between the plates, allowing the capacitor to store electrical energy. When a voltage is applied across the plates, charges accumulate on the plates, creating an electric field in the dielectric. This configuration allows the capacitor to store and release electrical energy when needed.

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  • 15. 

    One micro Farad is equal .......................... Farad.

    • O.1 F

    • 0.001 F

    • 0.00001 F

    • 0.0000001 F

    Correct Answer
    A. 0.0000001 F
    Explanation
    One micro Farad is equal to 0.0000001 Farad. This is because the prefix "micro" represents a factor of 10^-6. Therefore, when we convert micro Farad to Farad, we divide by 10^6, resulting in 0.0000001 Farad.

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  • Current Version
  • Dec 12, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 13, 2013
    Quiz Created by
    Prajesh
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