Which is the cause of flow of electric current in the conductor?
Charge
Potential difference
Resistance
Power
The obstruction to the flow of electric current is called
Potential
The unit of resistance is
Ampere
Ohm
Coulomb
Volt
Which has conductivity more than good conductors and less than insulators?
Super conductors
Semiconductors
Metals
Liquids
Resistivity of superconductor is
Greater than 1
One
Less than 1
Zero
One kilowatt is equal to
103 W
106 W
100 W
10 W
A wire of resistance R is doubled on itself.Its new resistance will be:
R
2R
R/2
1/4 R
The SI unit of current is
