The obstruction to the flow of electric current is called
Potential
Charge
Resistance
Potential difference
Resistivity of superconductor is
Greater than 1
One
Less than 1
Zero
One megawatt is equal to
103 W
106 W
100 W
1010 W
Good conductors have very low
Resistivity
Conductivity
e.m.f
Current
Which has conductivity less than good conductors and more than insulators?
Super conductor
Semiconductor
Metals
Liquids
