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A current driven by a voltage (potential difference) of 12 volts passes through a device of...

A current driven by a voltage (potential difference) of 12 volts passes through a device of 8Ω resistance.  How much heat energy is released into the device?

a.

96 Watts
b.

18 Watts
c.

1.5 Watts
d.

0.67 Watt
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