A 898 W heating unit is designed to operate with an applied potential difference of 119 V. (a) By what percentage will its heat output Irop if the applied potential difference drops to 113 V? Assume no change in resistance. (b) If you took the variation of resistance vith temperature into account, would the actual drop in heat output be larger or smaller than that calculated in (a)? (a) Number i Units (b)

A 898 W heating unit is designed to operate with an applied potential difference of 119 V. (a) By what percentage will its heat output Irop if the applied potential difference drops to 113 V? Assume no change in resistance. (b) If you took the variation of resistance vith temperature into account, would the actual drop in heat output be larger or smaller than that calculated in (a)? (a) Number i Units (b)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 17CQ: Resistors are commonly rated at 18W,14W,12W ,1 W and 2 W for use in electrical circuits. If a...

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