Published by:
CGP EDU Academic Team
Published on: September 11, 2026
A two point charges 4q and -q are fixed on the x axis at 
and 
respectively. If a third point charge 'q' 
is taken from the origin to 
along the semicircle as shown in the figure, the energy of the charge will
Text Solution
Verified by ExpertsThe correct answer is:
B
JEE Main 2020
Potential of -q is same as initial and final point of the path therefore potential due to 4q will only change and as potential is decreasing the energy will decrease
Decrease in potential energy 
Decrease in potential energy
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