Question

A point charge +q is kept at the origin. Evaluate the integral
1.
Ë.dí
a
of the electric field due to q from the point A(1,2) to the point
B(4,4) along the parabola y2 = 4x
Show that the result is the same as the potential difference
between A and B​

Answer 1

Answer:

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Explanation:

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Physics

Electrostatic Potential and Capacitance

Electrostatic Potential Energy and Potential Difference

In the electric field due t...

PHYSICS

Asked on December 27, 2019 byPakhi Sapra

In the electric field due to a point charge q, a test charge is carried from A to the points B, C, D and E lying on the same circle around q. The work done is



A

the least along AB

B

the least along AD

C

zero along any one of the paths AB,AD,AC and AE

D

the least along AE.

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ANSWER

Potential at A due to point charge =rKq        (radius of sphere =r)

U at B =rKq

work done in moving a test charge from

A to B =rKq−rKq

Similarly for AD=AC=AE=AB=0 (Work done)

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