Physics
Medium
Question
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
✓ Official correct answer
D
0.4 volt
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A
4 volt
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B
5 volt
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C
2 volt
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D
0.4 volt
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