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)
Chapter10: Direct-current Circuits
Section: Chapter Questions
Problem 25P: A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being charged by a current of...
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