The current sensitivity of a moving coil galvanometer increases by 20% when its resistance is increased by a factor of two. Calculate by what factor, the voltage sensitivity changes?
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Kindly refer to the link given below for an answer to a similar query.
https://www.meritnation.com/ask-answer/question/if-the-current-sensitivity-of-a-moving-coil-galvanometer-is/moving-charges-and-magnetism/7790031
Hope this information will clear your doubts about the topic.
If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.