A moving coil galvanometer has resistance 50Ω 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 me

Question

A moving coil galvanometer has resistance $50Ω$ 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:

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Answer:

C

Solution:

$V_{ma x} = 4 \times 1 0^{- 3} \times 50 + 4 \times 1 0^{- 3} \times 5 \times 1 0^{3}$

$V_{ma x} = 20.2 V$

TestHub · Accepted Answer

V ma x ​ = 4 × 1 0 − 3 × 50 + 4 × 1 0 − 3 × 5 × 1 0 3 V ma x ​ = 20.2 V

Physics - Current Electricity Question with Solution | TestHub

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