The device which converts chemical energy into electrical energy is

(a)

fan

(b)

solar cell

(c)

cell

(d)

television

Electricity is produced in

(a)

transformer

(b)

power station

(c)

electric wire

(d)

television

Choose the symbol for battery

(a)

(b)

(c)

(d)

_____________

In which among the following circuits does the bulb glow?

(a)

(b)

(c)

(d)

__________ is a good conductor

(a)

silver

(b)

wood

(c)

rubber

(d)

plastic