A 120 V potential difference is applied to a space heater whose resistance is 13.7 Ω when hot. At what rate is electrical energy being transferred to thermal energy?  How much thermal energy is produced in 9.1 hours?

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter28: Current And Resistance
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A 120 V potential difference is applied to a space heater whose resistance is 13.7 Ω when hot. At what rate is electrical energy being transferred to thermal energy? 

How much thermal energy is produced in 9.1 hours?

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