heating element in a stove is designed to dissipate 2,090 W when connected to 240 V. (a) Assuming the resistance is constant, calculate the current in the heating element if it is connected to 120 V. ?A (b) Calculate the power it dissipates at that voltage. ?W

heating element in a stove is designed to dissipate 2,090 W when connected to 240 V. (a) Assuming the resistance is constant, calculate the current in the heating element if it is connected to 120 V. ?A (b) Calculate the power it dissipates at that voltage. ?W

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 69AP: Consider the circuit below. The battery has an emf of = 30.00 V and an internal resistance of r =...

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Question

A heating element in a stove is designed to dissipate 2,090 W when connected to 240 V.

(a) Assuming the resistance is constant, calculate the current in the heating element if it is connected to 120 V.
?A

(b) Calculate the power it dissipates at that voltage.
?W

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