Insulators have very high
Resistivity
conductivity
e.m.f
Current
The SI unit of current is
Coulomb
Ampere
Volt
Ohm
Good conductors have very low
Conductivity
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
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