Question

How long 2 ampere of current is passed to supply 72000 C of charge ?

• A. 1 hr
• B. 10 hr
• C. 15 hr
• D. 20 hr

Answer 1

Answer: (B)

10 hr

Answer 2

$Q = It$ $t = \frac{Q}{I} = \frac{72000}{2}$ $= 36000 \,sec$ $= 10$ hours.