The magnetic effect of a current-carrying coil is NOT uti...
The magnetic effect of a current-carrying coil is NOT utilized in the making of a/an
carbon microphone
electric bells
magnetic relay
telephone earpiece
thermostat
Correct answer is E
No explanation has been provided for this answer.
A galvanometer has a resistance of 5Ω. By using a shunt wire of resistance 0.05Ω, the ga...
The amplitude of a wave is the ...
An image formed on a screen is always? ...
from the diagram above, the inductive reactance and the resistance R are respectively ...