An electric toy with a resistance of 2.50 ΩΩ is operated by a 3.00 V battery. a) What current does the toy draw? I = ____ A b) Assuming that the battery delivers a steady current for its lifetime of 4.00 h, how much charge passed through the toy in that time? Q = ____ C c) How much energy was delivered to the toy in that time? Ue = _____ J
An electric toy with a resistance of 2.50 ΩΩ is operated by a 3.00 V battery. a) What current does the toy draw? I = ____ A b) Assuming that the battery delivers a steady current for its lifetime of 4.00 h, how much charge passed through the toy in that time? Q = ____ C c) How much energy was delivered to the toy in that time? Ue = _____ J
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter21: Circuits And Dc Instruments
Section: Chapter Questions
Problem 20PE: A car battery with a 12-V emf and an internal resistance of 0.050 is being charged with a current...
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Question
An electric toy with a resistance of 2.50 ΩΩ is operated by a 3.00 V battery.
a) What current does the toy draw?
I = ____ A
b) Assuming that the battery delivers a steady current for its lifetime of 4.00 h, how much charge passed through the toy in that time?
Q = ____ C
c) How much energy was delivered to the toy in that time?
Ue = _____ J
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