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Author Question: An electron is released from rest at the negative plate of a parallel plate capacitor. If the ... (Read 39 times)

mydiamond

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on: Jul 28, 2018
An electron is released from rest at the negative plate of a parallel plate capacitor. If the distance between the plates is 5 mm and the potential difference across the plates is 5 V, with what velocity does the electron hit the positive plate? (me = 9.1  10-31 kg, qe = 1.6  10-19 C.)

Question 2

To recharge a 12-V battery, a battery charger must move 3.6  105 C of charge from the negative to the positive terminal. What amount of work is done by the battery charger? How many kilowatt hours is this?


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todom5090

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Reply #1 on: Jul 28, 2018
Answer to Question 1

1.33  106 m/s

Answer to Question 2

4.3 MJ, 1.2 kWh


mydiamond

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

meow1234

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Reply 3 on: Yesterday
Wow, this really help

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