Electrostatics: JEE Main 2025 Physics question

JEE Main 2025 · 7 Apr, Morning shift · Q39

JEE Main 20257 Apr, Morning shiftPhysicsMediumElectrostatics167× since 2002

Two charges

q_1

and

q_2

are separated by a distance of 30 cm. A third charge

q_3

initially at 'C' as shown in the figure, is moved along the circular path of radius 40 cm from C to D. If the difference in potential energy due to movement of

q_3

from C to D is given by

\frac{q_3K}{4\pi\epsilon_0}

, the value of K is:

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