Question

50 electric bulbs are connected across supply of 220 volts. After one bulb is fused remaining 49 bulbs are again connected to same supply. The illumination will be more with 50 bulbs than with 49 bulbs.

True

False

In two heating coils one is thinner and the other is thicker. Both coils are of same material and length. These are connected in parallel and then in series. In parallel combination thicker wire liberates more energy and in series combination thin wire.

True

False

Two bulbs one of 50 watt and the other of 25 watts are connected in series, then currents in each are same.

True

False

Answer 1