How much power is produced if a voltage of #5 V# is applied to a circuit with a resistance of #45 Omega#?

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Answer 1 · 2016-01-17T19:10:20

#P = 5/9# Watts
or
#P = 0.5555# Watts

We know:

#P = V^2/R#

#P = 5^2/45#

#P = 25/45#

#P = 5/9# Watts

You can end the answer here or

#P = 0.5555# Watts