A resistor is to be connected across a battery such that the power dissipated does…

MATHEMATICS · Single correct · GCSE · Mathematics · Ratio and Proportion · Ratio and Proportion

Problem

A resistor is to be connected across a

12\,\text{V}

battery such that the power dissipated does not exceed

5\,\text{W}

. Determine the minimum resistance that should be used. (a)

24\,\Omega

(b)

60\,\Omega

(c)

28.8\,\Omega

(d)

30\,\Omega