If a 12-V battery delivers 100 J in 5 s

If a 12-V battery delivers 100 J in 5 s, find (a) the amount of charge delivered and (b) the current produced.

Solution:

V=12 v

W=100 J

t= 5s

a) Q=\frac{W}{V}

=\frac{100}{12}

=8.33C

b) I=\frac{Q}{t}

=\frac{8.33}{5}

=1.67A