Which instrument is used to measures the amount of electricity used by us?
Multimeter
Galvanometer
Electrometer
None of these
The electrical symbol of electric bulb is
Pick the odd one
Polythene
Rubber
Glass
Iron
Wind is one of the source of electric current, which energy is used to rotate the blades of windmills?
Kinetic energy
Potential energy
Solar energy
Which is used to close or open a circuit?
Socket
Switch
Plug
Which of the following is a primary cell ?.
Voltaic cell
Leclanche cell
Daniel cell
All of these
The potential difference between live wire and the neutral wire is
120v
240v
220v
250v
Moving charge constitute a
Potential difference
Current
Resistance
The SI unit of electric current is:
Ampere
Joule
Coulomb
A fuse wire is made of :
60% lead and made 40% tin
30% lead and 70% copper
30% copper and 70% lead
60% tin and 40% lead
