Part A Assume that the cell phone has a potential rating is about 3.8 V and a charge capacity is about 2600 mAh. What is the energy capacity for this cell phone? Express your answer in watt-hours (Wh). Part B Convert the charge capacity Q into coulombs. Express your answer in coulombs (C). Part C Convert the energy capacity U into kilojoules. Express your answer in kilojoules (kJ).
Part A Assume that the cell phone has a potential rating is about 3.8 V and a charge capacity is about 2600 mAh. What is the energy capacity for this cell phone? Express your answer in watt-hours (Wh). Part B Convert the charge capacity Q into coulombs. Express your answer in coulombs (C). Part C Convert the energy capacity U into kilojoules. Express your answer in kilojoules (kJ).
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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Part A
Assume that the cell phone has a potential rating is about 3.8 V and a charge capacity is about 2600 mAh. What is the energy capacity for this cell phone?
Express your answer in watt-hours (Wh).
Part B
Convert the charge capacity Q into coulombs.
Express your answer in coulombs (C).
Part C
Convert the energy capacity U into kilojoules.
Express your answer in kilojoules (kJ).
Part D
If the charge Q were stored on a parallel-plate capacitor with air as the dielectric, at the potential V, what would be the corresponding capacitance?
Express your answer with the appropriate units.
Part E
If the energy in the battery were used to heat 1.0 L of water, estimate the corresponding change in the water temperature? The heat capacity of water is 4190 J/kg⋅K.
Express your answer in degrees Celsius.
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