Increasing the current sensitivity of a galvanometer may not nesecerily increase the voltage sensitivity explain
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Hey !!
We have
Current sensitivity = θ/I = NBA/k
Voltage sensitivity = θ/V = θ/IR = (NBA/k) . 1/R
It follows that an increase in current sensitivity may not necessarily increase the voltage sensitivity.
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Answer:
Compound microscope is made up of two convex lenses. The convex lens that is close to the object is known as objective lens and the lens placed near to the eye is known as eye piece. Objective lens has small focal length and small aperture because for small focal length it is necessary to have small aperture.
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