When an ebonite rod is rubbed with fur, the charge acquired by the fur is

(a)

negative

(b)

positive

(c)

partly positive and partly negative

(d)

None of these

The electrification of two different bodies on rubbing is because of the transfer of

(a)

neutrons

(b)

protons

(c)

electrons

(d)

protons and neutrons

Which of the following a simple circuit must have?

(a)

Energy Source, Battery, Load

(b)

Energy Source, Wire, Load

(c)

Energy Source, Wire, Switch

(d)

Battery, Wire, Switch

An electroscope has been charged by induction with the help of charged glassrod. The charge on the electroscope is

(a)

negative

(b)

positive

(c)

both positive and negative

(d)

None of the above

Fuse is

(a)

a switch

(b)

a wire with low resistance

(c)

a wire with high resistance

(d)

a protective device for breaking an electric circuit

_______takes place by rubbing objects together.

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Transfer of charges

The body which has lost electrons becomes ________

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positively charged

______ is a device that protects building from lightning strike.

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Lightning arrester

_____ has a thin metallic filament that melts and breaks the connection when the circuit is overheated

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Fuse

Three bulbs are connected end to end from the battery. This connection is called _______

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Series connection

The charge acquired by an ebonite rod rubbed with a piece of flannel is negative.

(a) True

(b) False

A charged body induces an opposite charge on an uncharged body when they are brought near.

(a) True

(b) False

Electroscope is a device used to charge a body by induction.

(a) True

(b) False

Water can conduct electricity

(a) True

(b) False

In parallel circuit, current remains the same in all components.

(a) True

(b) False

Two similar charges

(1)

attract each other

Two dissimilar charges

(2)

repel each other

When glass rod is rubbed with silk

(3)

acquires a positive charge

When ebonite rod is rubbed with fur

(4)

prevents a circuit from overheating

Fuse

(5)

acquires a negative charge