Question

A small electric motor draws a current of 400 mA. %0D%0Aa) How long will it take for 16 C of charge to pass through it?%0D%0A

Answer 1

Explanations & Calculations

• Simply using the equation $\small q=it$, this can be evaluated.

$\qquad\qquad \begin{aligned} \small 16C&=\small \frac{400}{1000}A\times t\\ \small t&=\small \frac{16\times1000}{400}s\\ &=\small \bold{40s} \end{aligned}$