Three point charges of 
and 3 C are placed at the corners of an equilateral triangle of side 100 cm. The work done to move these charges to the comers of a similar equilateral triangle of side 50 cm, will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Given, 
and 
Initial PE of system,
When 
Initial PE of system,
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
Identify the false statement.
When P is normal to the surface, the polarisation is numerically equal to the
The total dipole moment of dielectric with polar molecules in absence of an external electric field…
The earth has volume V and surface area A, then capacitance would be
If the circumference of a sphere is 2 m, then capacitance of sphere in water would be
Two charged spheres connected with a wire don't exchange their charges, if both spheres have