A region where an electric charge experiences a force due to other charges is called
An electric field
Magnetic field
Circuit
Potential difference
Unit of charge is
Ampere
Ohm
Coulomb
Volt
The fusion process can be carried out only at an extremely high temperature of the order of
107K
10-7K
1017K
10-17K
Fossil fuel is a
Renewable source of energy
Non-renewable source of energy
Kind of electrical energy
Hydro electric energy
Which of the following has conductivity more than good conductors and less than insulators?
Super conductors
Semi conductor
Metals
Liquids
The amount of electric charge that flows through the circuit is 2.5 C and the time taken is 5 s. Find the amount current flowing ?
4 A
0.4 A
40 A
None of these
Name the commercial unit of electric energy.
Kilowatt hour
Joule
Watt
Erg
The unit of potential difference is
The obstruction to the flow of electric current is called
Potential
Charge
Resistance
Which of the following instrument is used to measure current in a circuit?
Volt meter
Rheostat
Ammeter
Battery
