Which of the following represents voltage?

Current per unit area (taken normal to the current), l/A, is called ______.

An electric heater is rated at 800 W . If the supply voltage is 200 V . What is the current rating?

A diatomic molecule, treated as a rigid rotator has ___________ degree of freedom.

If a copper wire is moving through a uniform magnetic field, then the direction of the induced current can be found using the:

What is the net resistance of two resistors 10 ohm and 40 ohm connected in parallel?

In the Fleming‘s left hand rule index finger indicates the direction of the:

The correct relation between ρ, R, l and A is:

If the induced EMF in the coil of a conductor of resistance 10 Ω is -2 V, then the induced current in the coil is: