Electrical Power in Circuits
P=IV
1. If a blender is plugged into a 110V outlet that supplies 2.7A of
current, how much power is used by the blender?
2. If a clock uses 2W of power from a 1.5V battery, how much current
passes through the clock?
3. Tommy runs his juicer every morning. The juicer uses 90W of power
and the current supplied is 4.5A.
How much voltage is necessary to run the juicer?
4. Amanda’s hair dryer requires 11A of current from a 110V outlet.
How much power does it use?
5. If a toaster is rated at a current of 10A and a voltage of 120V, what
would the power rating be?
10 points