Which of the following converts electrical energy into mechanical energy?

(a)

motor

(b)

battery

(c)

generator

(d)

switch

An electric generator converts

(a)

electrical energy into mechanical energy

(b)

mechanical energy into heat energy

(c)

electrical energy into electrical energy

(d)

mechanical energy into electrical energy

The unit of magnetic flux density is

(a)

weber

(b)

weber/metre

(c)

weber/metre²

(d)

weber. metre²

No force acts in a current carrying conductor when it is __________ the magnetic field.

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parallel

Devices which is used to convert high alternating current to low alternating current __________.

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step down transformer

State Fleming’s Left Hand Rule.

List the main parts of an electric motor.

Differentiate step up and step down transformer.

State Faraday’s laws of electromagnetic induction.

Explain the principle, construction and working of a dc motor.

Draw a neat diagram of an AC generator.