One kilowatt is equal to
103 w
106 w
100 w
10 w
Which of the following characteristic is not suitable for a fuse wire?
Thin and short
Thick and short
Low melting point
Higher resistance than rest of wiring
A region where an electric charge experiences a force due to other charges is called
An electric field
Magnetic field
Circuit
Potential difference
Which of the following is the cause of flow of electric current in the conductor?
Charge
Resistance
Power
The unit of potential difference is
Ampere
Ohm
Coulomb
Volt
Which of the following instrument is used to measure current in a circuit?
Volt meter
Rheostat
Ammeter
Battery
One coulomb is equivalent to
6 x 108 electrons
6 x1018 electrons
6 x 1010 electrons
6 x 1020 electrons
Kilowatt - hour is the unit of
Electric power
Electric energy
The unit of resistance is
Resistivity of superconductor is
Greater than 1
One
Less than one
Zero
