Which of the following has no units?

Related Mcqs:

If 1 A current flows in a circuit, the number of electrons flowing through this circuit is

A. 0.625 × 1019 B. 1.6 × 1019 C. 1.6 × 10-19 D. 0.625 × 10-19...

Out of the following which is an insulating material____________?

A. Copper B. Gold C. Silver D. Paper...

Which is the best conductor of electricity _______________?

A. Iron B. Silver C. Copper D. Carbon...

Two resistances Rl and Ri are connected in series across the voltage source where Rl>Ri. The largest drop will be across______________?

A. Rl B. Ri C. either Rl or Ri D. none of them...

When current flows through heater coil it glows but supply wiring does not glow because______________?

A. current through supply line flows at slower speed B. supply wiring is covered with insulation layer C. resistance of heater coil is more than the supply wires D. supply wires are made of superior material...