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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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There is a 21 ohm resistance in the heating element and it is plugged into 125 volt circuit. How much current passes through the heating element to the nearest two decimal places?
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- A circuit in a small appliance operates on a current of 1.5 mA. How many electrons enter and leave this part of the appliance in 5.0 s?arrow_forwardA power of 120 kWkW (1.2×105 WW) is delivered to the other side of a city by a pair of power lines, between which the voltage is 12,000 VV. Part A - If each of the two lines has a resistance of 10 ΩΩ, find a change of voltage along each line. (Think carefully. This voltage change is along each line, not between the lines.). P = Part B - Find what is the power expended as heat in both lines together (distinct from power delivered to customers). P =arrow_forwardA toaster is rated at 80.0 W, when connected to a 132.0-V source. What current (in amperes) does the toaster carry? Round your answer to the nearest hundredth of an ampere.arrow_forward
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