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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Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>Assignment Set-2>Q 15

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Air filled capacitor is charged by a battery and after charging battery is removed. A slab of dielectric material is inserted in it to fill the space completely. The electric field in the capacitor is

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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 16

Find the equivalent capacitance between point $A$ and $B .$

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Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>Assignment Set-2>Q 17

Find the capacitance between $A$ and $B .$

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Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>Assignment Set-2>Q 18

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

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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)

to

(0, a, 0)

is

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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 $C A B = 60^{°}$ .