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

March 13, 2016  in Electricity  tagged charge / coulombs / current / voltage / work

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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

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