Questions
Charges +q and -q are placed at points A and B respectively. Which are at a distance 2 L apart,C is the midpoint between A and B. The work done in moving a charge +Q along the semicircle CRD is :
a
qQ4πε0L
b
qQ2πε0L
c
qQ6πε0L
d
-qQ6πε0L
detailed solution
Correct option is D
W=∆U=QVD-VC=Qq4πε03L-q4πε0L-0 =-Qq6πε0LTalk to our academic expert!
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