A moving coil galvanometer of resistance 100Ω gives half scale deflection for a current of 20mA. What will be the potential difference across it?
A. 4 volt
B. 2 volt
C. 5 volt
D. 0.4 volt
Answer:B
A moving coil galvanometer of resistance 100Ω gives half scale deflection for a current of 20mA. What will be the potential difference across it?
A. 4 volt B. 2 volt C. 5 volt D. 0.4 volt