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