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A galvanometer has 30 divisions and sensitivity It can be converted into a voltmeter to read 3 V by connecting
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Correct option is A
R+G ig =V ⇒ R+G = Vig=330 × 16 × 10−6 = 6.25 kΩ∴ Value of R is nearly equal to 6 kΩ.This is connected in series vrith a galvanometer.Similar Questions
A voltmeter has an internal resistance of 1000 Ω and gives full scale deflection when 2 V is applied across the terminals. Now a resistance of 4000 Ω is connected in series with it. Then it gives full scale deflection with
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