Question 2 only 1. A service station charges a battery using a current of 6.7-A for 5.0 h. How muchcharge passes through the battery? (Ans. 1.2x105 C)An electric clothes dryer has a heating element with a resistance of 8.6 Q. (a) Whatis the current in the element when it is connected to 240 V? (b) How much chargepasses 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/mexists in the wire.2.3.

Resistance of the heating element is R=8.6 Ω Voltage is V = 240 V Current (I) in the element is…

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.)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 70AP: A 10.00-meter long wire cable that is made of copper has a resistance of 0.051 ohms, (a) What is the...

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Question 2 only

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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