SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

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 :-

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
5876 Votes
3537

Answer Key : (a) -

U=K

⇒q=−Q

⇒Q=



Next Question :

In the circuit shown,

The switch S1 is closed at time t=0 and the switch S2 is kept open. At some later time (t0), the switch S1 is opened and s2 is closed. The behaviors of the current I as a function of time ‘t’ is given by :

(a)

(b)

(c)

(d)


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