# A milliameter of resistance 5Ω and full scale deflection of 5mA is to used to measure a potential difference of 50V…

JAMB 1980

A milliameter of resistance 5Ω and full scale deflection of 5mA is to used to measure a potential difference of 50 V. The resistance of the multiplier should be

A. 95Ω

B. 110Ω

C. 595Ω

D. 995Ω

E. 1005Ω

Correct Answer: Option D

## Explanation

V = IR

50 = 50 x 10^-3 (5 + R)

R = 995Ω

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His Name is Tiamiyu Abdulbazeet Olawale. He is a student at the University of Ilorin studying Electrical and Electronics Engineering. He likes to give the latest updates about Nigeria and international institutions as he aims at helping people to lay their hands on the right information.