If a current of #7 A# passing through a circuit generates #14 W# of power, what is the resistance of the circuit?

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Answer 1 · 2016-02-15T12:58:31

The resistance is #R=2/7 Omega#

We have the following data:

#I =7A#

#P=14W#

From this we can calculate the voltage:

#U=P/I=14/7=2V#

Now when we have the voltage and the current we can calculate the resistance as:

#R=U/I=2/7 Omega#