Question

Electric bulb doesn't glow when cotton thread is used instead of metal wire why

Answer 1

Answer:

$: \ \color{cyan} \: Electric \: bulb \: doesn't \: glow \: when \: cotton \: thread \: is \: used \: instead \: of \: metal \: wire \: why \: \: \: \: \: \: \: \: \: \wp$

-: because cotton is not a conductor of electricity but metal wire is a good conductor of electricity. that's why the bulb will not glow when cotton thread is used.