Capacitor Questions: 11th Grade Quiz!
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The capacitors stores energy in the form of:
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Magnetic field
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Electric field
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Both magnetic and Electric field
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Non of the above
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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 See morewhat they mean. You will truly benefit from taking this quiz.
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- 2.
The parts of a Capacitor are:
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Metal Plates and Dielectric
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Metal Plates and Charges
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One Dielectric and two metal plates
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All of the above
Correct Answer
A. One Dielectric and two metal platesExplanation
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.Rate this question:
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- 3.
The differences between Capacitor and Battery is:
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Shape
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No chemical is used
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Length
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Size
Correct Answer
A. No chemical is usedExplanation
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.Rate this question:
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- 4.
The unit of capacitance is:
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Fahad
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Micro Farad
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Farad
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Nano Farad
Correct Answer
A. FaradExplanation
The unit of capacitance is Farad. Capacitance is a measure of the ability of a capacitor to store an electric charge. It is defined as the ratio of the electric charge stored on the capacitor to the potential difference across it. Farad is the SI unit for capacitance, named after the English physicist Michael Faraday. It is a relatively large unit, so smaller values of capacitance are often expressed in subunits such as micro Farad (10^-6 Farad) or nano Farad (10^-9 Farad).Rate this question:
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- 5.
The picture shows the symbol of:
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Polarized Capacitor
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Variable Capacitor
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Non Polarized Capacitor
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Non of the above
Correct Answer
A. Non Polarized CapacitorExplanation
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.Rate this question:
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- 6.
The picture shows the symbol of
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Non polarized capacitor
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Polarized capacitor
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Variable capacitor
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All of the above
Correct Answer
A. Polarized capacitorExplanation
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.Rate this question:
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- 7.
The picture shows the symbol of
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Fixed Capacitor
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Variable Capacitor
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Series Capacitor
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Non Variable Capacitor
Correct Answer
A. Variable CapacitorExplanation
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.Rate this question:
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- 8.
A capacitor is connected with battery, What will happen to the capacitor?
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Capacitor will get damage
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Capacitor will not damage
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Capacitor may damage
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All of the above
Correct Answer
A. Capacitor will not damageExplanation
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.Rate this question:
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- 9.
The value of Capacitor depend on:
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Plate area, Distance between plate and dielectric
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Only on Plate area, Distance between plate
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Only on Distance between plate and dielectric
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All of the above
Correct Answer
A. Plate area, Distance between plate and dielectricExplanation
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.Rate this question:
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- 10.
The formula is used to calculate the
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Capacitance
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Resistance
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Capacitive reactance
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Frequency of applied voltage
Correct Answer
A. Capacitive reactanceExplanation
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.Rate this question:
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- 11.
The picture shows capacitors are connected in
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Parallel
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Parallel as well as series
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Series
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Non of the above
Correct Answer
A. SeriesExplanation
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.Rate this question:
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- 12.
The formula is used to calculate the total capacitance in
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Parallel
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Series
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Can be used for both
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Non of the above
Correct Answer
A. SeriesExplanation
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.Rate this question:
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- 13.
The formula is used to calculate the total capacitance in
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Parallel
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Series
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Can used for both
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All of the above
Correct Answer
A. ParallelExplanation
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".Rate this question:
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- 14.
One micro Farad is equal .......................... Farad.
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O.1 F
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0.001 F
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0.00001 F
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0.0000001 F
Correct Answer
A. 0.0000001 FExplanation
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.Rate this question:
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- 15.
The total capacitance is
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9 micro Farad
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3 micro Farad
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1/3 micro farad
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1/9 micro farad
Correct Answer
A. 9 micro FaradExplanation
The total capacitance is 9 micro Farad because it is the only option that matches the given answer.Rate this question:
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Quiz Review Timeline (Updated): Dec 12, 2024 +
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Current Version
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Dec 12, 2024Quiz Edited by
ProProfs Editorial Team -
Feb 13, 2013Quiz Created by
Prajesh
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