Consider a parallel plate capacitor which has been charged, and then disconnected from all charge sources. Since the charges on the plates are equal and opposite, they attract each other. Hence, an external agent would have to do positive work to increase the plate separation. What happens to the external work done to pull the plates apart? A. It goes into lactic acid in the muscles of the person pulling the plates apart. B. It is stored by the charges of the capacitor. C. It is stored in the electric field of the capacitor. D. It is stored in the gravitational field of the capacitor. Which one curve below shows the potential across a discharging capacitor in an RC circuit, assuming that the initial potential across the capacitor was 1.0 V? A. curve (a) B. curve (b) C. curve (c) D. curve (d) 1.6F (a) 1.4 (b) 1.2 1.0 0.8 (c) 0.6 0.4 0.2 (d) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

Consider a parallel plate capacitor which has been charged, and then disconnected from all charge sources. Since the charges on the plates are equal and opposite, they attract each other. Hence, an external agent would have to do positive work to increase the plate separation. What happens to the external work done to pull the plates apart? A. It goes into lactic acid in the muscles of the person pulling the plates apart. B. It is stored by the charges of the capacitor. C. It is stored in the electric field of the capacitor. D. It is stored in the gravitational field of the capacitor. Which one curve below shows the potential across a discharging capacitor in an RC circuit, assuming that the initial potential across the capacitor was 1.0 V? A. curve (a) B. curve (b) C. curve (c) D. curve (d) 1.6F (a) 1.4 (b) 1.2 1.0 0.8 (c) 0.6 0.4 0.2 (d) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

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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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

Consider a parallel plate capacitor which has been charged, and then disconnected from
all charge sources. Since the charges on the plates are equal and opposite, they attract
each other. Hence, an external agent would have to do positive work to increase the
plate separation. What happens to the external work done to pull the plates apart?
A. It goes into lactic acid in the muscles of the person pulling the plates apart.
B. It is stored by the charges of the capacitor.
C. It is stored in the electric field of the capacitor.
D. It is stored in the gravitational field of the capacitor.
Which one curve below shows the potential across a discharging capacitor in an RC
circuit, assuming that the initial potential across the capacitor was 1.0 V?
A. curve (a)
В. curve (b)
C. curve (c)
D. curve (d)
1.6
(а)
1.4
(b)
1.2
1.0
0.8F
(c)
0.6
0.4
0.2
(d)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0

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