Question
Asked Jan 28, 2020
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(a) Calculate the potential at a point P due to a charge of 4 × 10-9 C located 9 cm away.
(b) Hence obtain the work done in bringing a charge of 2 × 10-9 C from infinity to the point P. Does the answer depend on the path along which the charge is brought?

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Expert Answer

Step 1

(a)

The potential at point P is

Physics homework question answer, step 1, image 1
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Step 2

(b)

The work done in bringing a charge of 2×10...

Physics homework question answer, step 2, image 1
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Electrostatic Potential and Capacitance

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