Question: A 120 Y potential difference is applied to a space heater whose resistance is 14 when hot. (a) At what rate is electrical energy

A 120 Y potential difference is applied to a space heater whose resistance is 14 Ω when hot.

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

(b) What is the cost for 5.0 h at US$0.05/kW ∙ h?

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