Two identical metal spheres charged with and
are kept at certain distance in air. They are brought into contact and then kept at the same distance. The ratio of the magnitudes of electrostatic forces between them before and after contact is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Perhaps by a printing error, the charges are given in this problem as and
instead of
and
.
Force
.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A gaussian sphere encloses an electric dipole within it. The total flux across the sphere is
A comb run through one's dry hair attracts small bits of paper. This is due to
A simple pendulum has a length l and the mass of the bob is . The bob is given a charge q coulomb.…
Two identical charges repel each other with a force equal to when they are apart in air. . The v…
An α-particle of mass and charge is situated in a uniform electric field of . The velocity of th…
Two identical conducting balls A and B have positive charges q 1 and q 2 respectively. But . The b…