Electricity

The device used to convert chemical energy into electrical energy is called
1. fan
2. solar cell
3. cell
4. telivision
Electricity is produced in
1. transformer
2. power station
3. electric wire
4. television
_________ is a good conductor
1. silver
2. wood
3. rubber
4. plastic
________ cells can be used only once
1. secondary
2. used
3. primary
4. battery
__________ allow the electric current to pass through them
1. conductors
2. insulators
3. cells
4. power stations
The combination of two or more cells is called
1. circuit
2. battery
3. wire
4. terminals
____________is used to close or open an electric circuit
1. switch
2. wire
3. insulator
4. conductor
In atomic power station.... is used to rotate the turbine
1. water
2. steam
3. air
4. diesel
_________is used to measure the quantity of electric current flowing through a circuit
1. barometer
2. odometer
3. nanometer
4. ammeter
In thermal power plants____________ are used as fuel
1. water
2. waste materials
3. coal
4. soil