Positive and negative point charges of equal magnitude are kept at 0 , 0 , a 2 and 0 , 0 , - a 2 , respectively. The work done by the electric field when another positive point charge is moved from ( - a , 0 , 0 ) to ( 0 , a , 0 ) is

Depends on the path connecting the initial and final positions

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In the circuit shown, the charges on the capacitors $A$ and $B$ are respectively

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Important Questions on Electrostatic Potential and Capacitance

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Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>Assignment Set-2>Q 19

An arrangement of three large metallic parallel plates with respective charges marked in figure is shown. What is the charge appearing on the left face of plate $B ?$

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Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>Assignment Set-2>Q 20

A parallel plate capacitor of area $A$ and plate separation $d$ is filled with two dielectrics as shown. What is the capacitance of the arrangement?

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Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>Assignment Set-2>Q 21

Positive and negative point charges of equal magnitude are kept at

(0, 0, \frac{a}{2})

and

(0, 0, \frac{- a}{2})

, respectively. The work done by the electric field when another positive point charge is moved from

(- a, 0, 0)

(0, a, 0)

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Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>Assignment Set-2>Q 22

Consider a system of three charges $\frac{q}{3}, \frac{q}{3}$ and $- \frac{2 q}{3}$ placed at points $A, B$ and $C$ , respectively, as shown in the figure. Take $O$ to be the centre of the circle of radius $R$ and angle $C A B = 60^{°}$ .

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Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>Assignment Set-2>Q 23

Consider a thin spherical shell of radius

R

with its center at the origin, carrying uniform positive surface charge density. The variation of the magnitude of the electric field

| \vec{E} (r) |

and the electric potential

V (r)

with the distance

r

from the centre is best represented by which graph?

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Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>Assignment Set-2>Q 24

Consider a neutral conducting sphere. A positive point charge is placed outside the sphere. The net charge on the sphere is then

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Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>Assignment Set-2>Q 25

Three concentric metallic spherical shells of radii

R, 2 R, 3 R,

are given charges

Q 1, Q 2, Q 3,

respectively. It is found that the surface charge densities on the outer surfaces of the shells are equal. Then, the ratio of the charges given to the shells,

Q 1 : Q 2 : Q 3

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Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>Assignment Set-2>Q 26

A long, hollow conducting cylinder is kept coaxially inside another long, hollow conducting cylinder of larger radius. Both the cylinders are initially electrically neutral.

In the circuit shown, the charges on the capacitors A and B are respectively

Important Questions on Electrostatic Potential and Capacitance

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In the circuit shown, the charges on the capacitors $A$ and $B$ are respectively