Question

If the potential difference across a bulb decreases by2% what will be the change in poweer dissipation of the bulb​

Answer 1

Explanation:

$p = 1 {}^{2} r \\ \%i = 2\% \\ \%p = 2 \%i + \%r \\ \\\%p = 2 \times 2 + 0 = 4\% \\ \\ there \: will \: be \: 4\% \: increases \: in \: the \: power \: of \: the \: bulb$