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The charges Q + q and +q are placed at the vertices of a right-angle isosceles triangle as shown below. The net electrostatic energy of the configuration is zero, it the value of Q is :

(a)

(b)

−2q

(c)

(d)

+q



Question ID - 50295 | SaraNextGen Top Answer

The charges Q + q and +q are placed at the vertices of a right-angle isosceles triangle as shown below. The net electrostatic energy of the configuration is zero, it the value of Q is :

(a)

(b)

−2q

(c)

(d)

+q

1 Answer
127 votes
Answer Key / Explanation : (a) -

U=K

⇒q=−Q

⇒Q=

127 votes


127