A resistor allows a current of to flow when a potential difference of is applied

PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity

Problem

A resistor allows a current of

0.20\,\text{A}

to flow when a potential difference of

5.0\,\text{V}

is applied. What potential difference is needed to produce a current of

0.50\,\text{A}

through the same resistor? (a)

5.0\,\text{V}

(b)

12.5\,\text{V}

(c)

2.0\,\text{V}

(d)

31.3\,\text{V}