A capacitor is kept connected to a battery and a dielectric slab is inserted between the plates. During the process

Work is done at the cost of the battery

Work is done at the cost of the capacitor

Work is done at the cost of the battery and capacitor

E M B I B E

Physics Crash Course JEE Advanced>Chapter 13 - Electrostatics>Exercise 1>Q 60

HARD

Physics

IMPORTANT

Earn 100

Consider the following conclusions regarding the components of an electric field at a certain point in space given by, $E_{x} = - K y, E_{y} = K x, E_{z} = 0$ .

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Important Questions on Electrostatics

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Physics

IMPORTANT

Physics Crash Course JEE Advanced>Chapter 13 - Electrostatics>Exercise 1>Q 61

The electric field produced by a positively charged particle, placed in an

xy

-plane is

7.2 (4 i + 3 j) N C^{- 1}

at the point

(3 cm, 3 cm)

and

100 \hat{i} N C^{- 1}

at the point

(2 cm, 0)

.

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Physics

IMPORTANT

Physics Crash Course JEE Advanced>Chapter 13 - Electrostatics>Exercise 1>Q 62

A particle of mass

2 k g

and charge

1 m C

is projected vertically with a velocity

10 m s^{- 1} .

There is a uniform horizontal electric field of

10^{4} N C^{- 1} .

Then

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Physics

IMPORTANT

Physics Crash Course JEE Advanced>Chapter 13 - Electrostatics>Exercise 1>Q 63

Two small balls $A$ and $B$ of positive charge $Q$ each and masses $m$ and $2 m$ , respectively, are connected by a non-conducting light rod of length $L$ . This system is released in a uniform electric field of strength $E$ as shown. Just after the release (assume no other force acts on the system)
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