Two conducting spheres have radii of R1 and R2 with R1 greater than R2. If they are far apart the capacitance is proportional to:

A) R1R2/(R1 - R2) B) C) (R1 - R2)/R1R2 D) E) none of these A) R1R2/(R1 - R2) B) C) (R1 - R2)/R1R2 D) E) none of these A

Capacitors C1 and C2 are connected in series. The equivalent capacitance is given by:

A) C1C2/(C1 + C2) B) (C1 + C2)/C1C2 C) 1/(C1 + C2) D) C1/C2 E) C1 + C2 A) C1C2/(C1 + C2) B) (C1 + C2)/C1C2 C) 1/(C1 + C2) D) C1/C2 E) C1 + C2

Exam 25: Capacitance

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Two identical capacitors, each with capacitance C, are connected in parallel and the combination is connected in series to a third identical capacitor. The equivalent capacitance of this arrangement is:

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Question 1

Correct Answer:

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Two conducting spheres have radii of R₁ and R₂ with R₁ greater than R₂. If they are far apart the capacitance is proportional to:

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Question 2

Correct Answer:

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A farad is the same as a:

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Question 3

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If the charge on a parallel-plate capacitor is doubled:

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Question 4

A 2- $\mu$ F and a 1- $\mu$ F capacitor are connected in parallel and a potential difference is applied across the combination. The 2- $\mu$ F capacitor has:

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Question 5

Pulling the plates of an isolated charged capacitor apart:

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Question 6

Two parallel-plate capacitors with different plate separation but the same capacitance are connected in series to a battery. Both capacitors are filled with air. The quantity that is NOT the same for both capacitors when they are fully charged is:

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Question 7

To store a total of 0.040 J of energy in the two identical capacitors shown, each should have a capacitance of:

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Question 8

Each plate of a capacitor stores a charge of magnitude 1 mC when a 100-V potential difference is applied. The capacitance is:

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Question 9

If both the plate area and the plate separation of a parallel-plate capacitor are doubled, the capacitance is:

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Question 10

A 2- $\mu$ F and a 1- $\mu$ F capacitor are connected in series and a potential difference is applied across the combination. The 2- $\mu$ F capacitor has:

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Question 11

A 2- $\mu$ F and a 1- $\mu$ F capacitor are connected in series and charged from a battery. They store charges P and Q, respectively. When disconnected and charged separately using the same battery, they have charges R and S, respectively. Then:

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Question 12

What is the difference between a polar dielectric and a nonpolar dielectric?

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Question 13

Each of the four capacitors shown is 500 $\mu$ F. The voltmeter reads 1000V. The magnitude of the charge on each capacitor plate is: $Each of the four capacitors shown is 500 \mu F. The voltmeter reads 1000V. The magnitude of the charge on each capacitor plate is:$

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Question 14

Capacitors C₁ and C₂ are connected in series. The equivalent capacitance is given by:

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Question 15

Capacitor C₁ is connected alone to a battery and charged until the magnitude of the charge on each plate is 4.0 * 10 ^- ⁸C. Then it is removed from the battery and connected to two other capacitors C₂and C₃, as shown. The charge on the positive plate of C₁ is then 1.0 * 10 ^- ⁸C. The charges on the positive plates of C₂ and C₃are:

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Question 16

The diagram shows six 6- $\mu$ F capacitors. The capacitance between points a and b is: $The diagram shows six 6- \mu F capacitors. The capacitance between points a and b is:$

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Question 17

Capacitors C₁ and C₂ are connected in series and a potential difference is applied to the combination. If the capacitor that is equivalent to the combination has the same potential difference, then the charge on the equivalent capacitor is the same as:

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Question 18

A certain capacitor has a capacitance of 5.0 $\mu$ F. After it is charged to 5 $\mu$ C and isolated, the plates are brought closer together so its capacitance becomes 10 $\mu$ F. The work done by the agent is about:

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Question 19

The capacitance of a parallel-plate capacitor with plate area A and plate separation d is given by:

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Question 20

Showing 1 - 20 of 61

Exam 25: Capacitance

Two identical capacitors, each with capacitance C, are connected in parallel and the combination is connected in series to a third identical capacitor. The equivalent capacitance of this arrangement is:

Two conducting spheres have radii of R1 and R2 with R1 greater than R2. If they are far apart the capacitance is proportional to:

A farad is the same as a:

If the charge on a parallel-plate capacitor is doubled:

A 2- μ\muμ F and a 1- μ\muμ F capacitor are connected in parallel and a potential difference is applied across the combination. The 2- μ\muμ F capacitor has:

Pulling the plates of an isolated charged capacitor apart:

Two parallel-plate capacitors with different plate separation but the same capacitance are connected in series to a battery. Both capacitors are filled with air. The quantity that is NOT the same for both capacitors when they are fully charged is:

To store a total of 0.040 J of energy in the two identical capacitors shown, each should have a capacitance of:

Each plate of a capacitor stores a charge of magnitude 1 mC when a 100-V potential difference is applied. The capacitance is:

If both the plate area and the plate separation of a parallel-plate capacitor are doubled, the capacitance is:

A 2- μ\muμ F and a 1- μ\muμ F capacitor are connected in series and a potential difference is applied across the combination. The 2- μ\muμ F capacitor has:

A 2- μ\muμ F and a 1- μ\muμ F capacitor are connected in series and charged from a battery. They store charges P and Q, respectively. When disconnected and charged separately using the same battery, they have charges R and S, respectively. Then:

What is the difference between a polar dielectric and a nonpolar dielectric?

Each of the four capacitors shown is 500 μ\muμ F. The voltmeter reads 1000V. The magnitude of the charge on each capacitor plate is:

Capacitors C1 and C2 are connected in series. The equivalent capacitance is given by:

The diagram shows six 6- μ\muμ F capacitors. The capacitance between points a and b is:

Capacitors C1 and C2 are connected in series and a potential difference is applied to the combination. If the capacitor that is equivalent to the combination has the same potential difference, then the charge on the equivalent capacitor is the same as:

A certain capacitor has a capacitance of 5.0 μ\muμ F. After it is charged to 5 μ\muμ C and isolated, the plates are brought closer together so its capacitance becomes 10 μ\muμ F. The work done by the agent is about:

The capacitance of a parallel-plate capacitor with plate area A and plate separation d is given by:

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Two conducting spheres have radii of R₁ and R₂ with R₁ greater than R₂. If they are far apart the capacitance is proportional to:

A 2- $\mu$ F and a 1- $\mu$ F capacitor are connected in parallel and a potential difference is applied across the combination. The 2- $\mu$ F capacitor has:

A 2- $\mu$ F and a 1- $\mu$ F capacitor are connected in series and a potential difference is applied across the combination. The 2- $\mu$ F capacitor has:

A 2- $\mu$ F and a 1- $\mu$ F capacitor are connected in series and charged from a battery. They store charges P and Q, respectively. When disconnected and charged separately using the same battery, they have charges R and S, respectively. Then:

Each of the four capacitors shown is 500 $\mu$ F. The voltmeter reads 1000V. The magnitude of the charge on each capacitor plate is: $Each of the four capacitors shown is 500 \mu F. The voltmeter reads 1000V. The magnitude of the charge on each capacitor plate is:$

Capacitors C₁ and C₂ are connected in series. The equivalent capacitance is given by:

The diagram shows six 6- $\mu$ F capacitors. The capacitance between points a and b is: $The diagram shows six 6- \mu F capacitors. The capacitance between points a and b is:$

Capacitors C₁ and C₂ are connected in series and a potential difference is applied to the combination. If the capacitor that is equivalent to the combination has the same potential difference, then the charge on the equivalent capacitor is the same as:

A certain capacitor has a capacitance of 5.0 $\mu$ F. After it is charged to 5 $\mu$ C and isolated, the plates are brought closer together so its capacitance becomes 10 $\mu$ F. The work done by the agent is about: