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

Explain your answer in the comment box below and let’s have a discussion so as to have a great understanding of this question!

PREVIOUS           NEXT

GO BACK TO THE PAST QUESTIONS PAGE

If you find this post beneficial, feel free to use the share button to share with friends.

Follow us on our Facebook page and subscribe to this website for more updates by hitting on the bell icon by the bottom left corner of your screen!

Leave a Comment

Your email address will not be published.