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A moving coil galvanometer of resistance 100? gives half scale deflection for a current of 20mA. What will be the potential difference across it ?

/ Electromagnetism, Physics Mcqs / By
A moving coil galvanometer of resistance 100? gives half scale deflection for a current of 20mA. What will be the potential difference across it ?

A. 4 volt
B. 5 volt
C. 2 volt
D. 0.4 volt