660PhysicsMedium
A moving coil galvanometer of resistance 100? gives half scale deflection for a current of 20mA. What will be the potential difference across it ?
A0.4 volt
B5 volt
C4 volt
D2 volt
Correct answer
D. 2 volt
Explanation
2 volt is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.