Class 11

18. Electric Charges And Field question bank (Physics)

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Q1.

Initially, sphere \( A \) has charge of \(-50e\) and sphere \( B \) has a charge of \(+20e\). The spheres are made of conducting material and are identical in size. If the spheres touch each other, what is the resulting charge on sphere \( A \)?

(A)
\(-15e\)
(B)
\(-30e\)
(C)
\(+30e\)
(D)
\(+15e\)
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Q2.

A charge \( Q \) is to be divided on two objects. The values of the charges on the objects so that the force between the objects can be maximum are

(A)
\(\frac{2Q}{3},\ \frac{Q}{3}\)
(B)
\(\frac{3Q}{4},\ \frac{Q}{4}\)
(C)
\(\frac{Q}{2},\ \frac{Q}{2}\)
(D)
\(Q,\ 0\)
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