A moving coil galvanometer has resistance 50 Ω and it indicates full deflection at 4 m A current. A voltmeter is made using this galvanometer and a 5 k Ω resistance. The maximum voltage, that can be m

Question

A moving coil galvanometer has resistance $50 Ω$ and it indicates full deflection at $4 m A$ current. A voltmeter is made using this galvanometer and a $5 k Ω$ resistance. The maximum voltage, that can be measured using this voltmeter, will be close to:

Question diagram: A moving coil galvanometer has resistance 50 Ω and it indica

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Answer:

C

Solution:

$V_{m a x} = 4 \times 10^{- 3} \times 50 + 4 \times 10^{- 3} \times 5 \times 10^{3}$
$V_{m a x} = 20.2 V$

TestHub · Accepted Answer

V m a x = 4 × 10 - 3 × 50 + 4 × 10 - 3 × 5 × 10 3 V m a x = 20.2 V

Physics - Current Electricity Question with Solution | TestHub

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