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An electric clothes dryer has a heating element with a resistance of 8.6 2. (a) What is the current in the element when it is connected to 240 V? (b) How much charge passes through the element in 50 min? (Assume direct current.)

An electric clothes dryer has a heating element with a resistance of 8.6 2. (a) What is the current in the element when it is connected to 240 V? (b) How much charge passes through the element in 50 min? (Assume direct current.)

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1. A service station charges a battery using a current of 6.7-A for 5.0 h. How much charge passes through the battery? (Ans. 1.2x105 C) An electric clothes dryer has a heating element with a resistance of 8.6 Q. (a) What is the current in the element when it is connected to 240 V? (b) How much charge passes through the element in 50 min? (Assume direct current.) (Ans. 28 A, 8.4x104 C) Calculate the current density in a gold wire at 20°C, if an electric field of 0.740 V/m exists in the wire. 2. 3.
Transcribed Image Text:1. A service station charges a battery using a current of 6.7-A for 5.0 h. How much charge passes through the battery? (Ans. 1.2x105 C) An electric clothes dryer has a heating element with a resistance of 8.6 Q. (a) What is the current in the element when it is connected to 240 V? (b) How much charge passes through the element in 50 min? (Assume direct current.) (Ans. 28 A, 8.4x104 C) Calculate the current density in a gold wire at 20°C, if an electric field of 0.740 V/m exists in the wire. 2. 3.
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