A galvanometer gives full-scale deflection with a current of

PHYSICS · Subjective · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

0.006\,\text{A}

. By connecting it to a

4990\,\Omega

resistance, it can be converted into a voltmeter of range

0

30\,\text{V}

. If connected to a

\frac{2n}{249}\,\Omega

resistance, it becomes an ammeter of range

0

1.5\,\text{A}

. Find

n