Alamp r 145 an electric heater r 24 and a fan r 49 , Ask an Expert

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A lamp (R = 145 ), an electric heater (R = 24 ), and a fan (R = 49 ) are connected in parallel across a 121 V line.

(a) What total current is supplied to the circuit?

(b) What is the voltage across the fan?

(d) What power is expended in the heater?

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