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Get Full Access to University Physics - 13 Edition - Chapter 22 - Problem 7dq
Get Full Access to University Physics - 13 Edition - Chapter 22 - Problem 7dq

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# A solid copper sphere has a net positive charge. The ISBN: 9780321675460 31

## Solution for problem 7DQ Chapter 22

University Physics | 13th Edition

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Problem 7DQ

A solid copper sphere has a net positive charge. The charge is distributed uniformly over the surface of the sphere, and the electric field inside the sphere is zero. Then a negative point charge outside the sphere is brought close to the surface of the sphere. Is all the net charge on the sphere still on its surface? If so, is this charge still distributed uniformly over the surface? If it is not uniform, how is it distributed? Is the electric field inside the sphere still zero? In each case justify your answers.

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Physics 2 for Engineering Week 7 Ɛ – V r V = R Ɛ – Ir – IR = 0 V abƐ – Ir (V is the terminal voltage) ab Power = Energy / Time = qV/t = IV Power supplied by battery P batt =I 2 2 Power supplied by battery due to internal resistance r, P = V Ir= I rr= V /r r 2 2 Power dissipated in resistor R, P = VRI = IRR = V /R R

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##### ISBN: 9780321675460

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