Electrostatic Potential and Capacitance - Result Question 14

16. Three charges, each +q, are placed at the corners of an isosceles triangle ABC of sides BC,AC and AB. D and E are the mid points of BC and CA. The work done in taking a charge Q from D to E is

[2011M] (a)

Show Answer

Answer:

Correct Answer: 16. (c)

Solution:

  1. (c) AC=BC

VD=VE We have, W=Q(VD−VE) ⇒W=0

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