A point charge q is rotating around a charge Q in a circle of radius r. The workdone on it by the coulomb force is
A. 2πrq
B. 2πQq
C. \(\frac { Q }{{ 2ε }^{0}r}\)
D. zero
Answer:D
A point charge q is rotating around a charge Q in a circle of radius r. The workdone on it by the coulomb force is
A. 2πrq B. 2πQq C. \(\frac { Q }{{ 2ε }^{0}r}\) D. zero