Question

plzzzz answer my question its very urgent plzzzz



a) explain on brief three different ways to induce current in a coil

b) if we connect two lamps to a battery, is it a series or a parallel combination? why? which combination draws more current from the battery?

c) Christmas tree lamps are usually connected in series . What will be if one lamp breaks ?

Answer 1

1) push the magnet into the coil. 2) pull the magnet outside,,, 3) by horseshoe magnet ,,,,,,,,,,,,. the lamps which are connected in series will draw maximum current because resistance is high in series,,,,,,,,, if one lamp breaks all remaining will stop glowing

Answer 2

1.) by changing the no. of coils
by changing magnetic field
by placing them near to each other

2) if the are connected in series - of one gets faulty the other one will also not glow whereas in parallel it's not there