19. a charge of 6 mC is located at the origin . calculate the workdone in taking a small charge of -2 x 10^-12 C from a point A(0,0,2 cm) to a point B (0,3 cm ,0) via a point C (0,4 cm, 5 cm) ?
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Work done = difference in potential energies between the initial and final points.
so it does not depend on the path taken or directions.
W = 1/(4πε) * 0.006 * (-2 * 10⁻¹²) [ - 1/0.02 + 1/0.03]
= 0.0018 Joules.
so it does not depend on the path taken or directions.
W = 1/(4πε) * 0.006 * (-2 * 10⁻¹²) [ - 1/0.02 + 1/0.03]
= 0.0018 Joules.
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