The SI unit of current is
Coulomb
Ampere
Volt
Ohm
Insulators have very high
Resistivity
conductivity
emf
Current
Resistivity of superconductor is
Greater than 1
One
Less than 1
Zero
Which has conductivity less than good conductors and more than insulators?
Super conductor
Semiconductor
Metals
Liquids
Because of which effect of electric current, the plotting compass is deflected when it is placed in the magnetic field?
Heating effect
Lighting effect
Magnetic effect
Chemical effect
There is no superconductor at
Room temperature
Normal pressure
Normal resistance
Normal atomic condition