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A lamp (R = 147 W), an electric heater (R = 24 W), and a fan...

A lamp (R = 147 W), an electric heater (R = 24 W), and a fan (R = 49 W) are connected in parallel to an extention cord plugged into a 117 V outlet.

a) what total current is supplied to the circuit?

b) what is the voltage across the fan?

c) what is the current in the lamp?

d) what power is expended in the heater?
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