A galvanometer has 30 divisions and sensitivity 16 μA/div. It can be converted into a voltmeter to read 3 V by connecting

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resistance nearly 6 k Ω in series

6 k Ω in parallel

500 Ω in series

It cannot be converted

answer is A.

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Detailed Solution

R+Gig = V ⇒ R+G = Vig= 330 ×16 × 10−6 =6.25 kΩ∴ Value of R is nearly equal to 6 k ΩThis is connected in series with a galvanometer.

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