Find at what rate is electrical energy transferred to heat

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Reference no: EM13333451

A 109 V potential difference is applied to a space heater whose resistance is 12 when hot.

(a) At what rate is electrical energy transferred to heat?

(b) What is the cost of operating the device for 8.0 h at US$0.05/kW·h?

Reference no: EM13333451

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