When moving coil galvanometer (MCG) is converted into a voltmeter… - Vidyadip

MCQ

When moving coil galvanometer (MCG) is converted into a voltmeter, the series resistance is ' $n$ ' times the resistance of galvanometer. How many times that of MCG the voltmeter is now capable of measuring voltage?

A
$n$
B
$\frac{n+1}{n}$
✓
$n+1$
D
$n=1$

✓

Answer

Correct option: C.

$n+1$

(c) : As the resistance connected is in series
$
R_{\text {eq }}=R+n R=(n+1) R
$
So, resistance increases by $(n+1)$ times, Similarly voltage also increases by $(n+1)$ times.

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