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

How charges are produced by friction?

What is earthing?

What is electric circuit?

What is electroplating?

Give some uses of electroplating.

Explain three ways of charge transfer.

What is electroscope? Explain how it works?

Explain series and parallel circuit.

How lightning takes place?

What is electroplating? Explain how it is done.