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 part of the AC generator that passes the current from the armature coil to the external circuit is

(a)

field magnet

(b)

split rings

(c)

slip rings

(d)

brushes

Transformer works on.

(a)

AC only

(b)

DC only

(c)

both AC and DC

(d)

AC nor effectively than DC

The unit of magnetic flux density is

(a)

weber

(b)

weber/metre

(c)

weber/metre²

(d)

weber. metre²