Question

A 35 W radio is on for 2.5 h. If the voltage across the radio's terminals is 120 V, how much total charge moves through the radio while it is on?

Answer 1

$P=VI$

$35=120×I$

$I=0.2917$

$Q=It$

$=0.2917×2.5×60×60$

$=2625.3C$