Questions
Two positive point charges of 12 μC and 8 μCare 10 cm apart. The work done in bringing them 6 cm closer is
detailed solution
Correct option is C
W=Uf-Ui=9×109×Q1Q21r2-1r1 ⇒W=9×109×12×10-6×8×10-614×10-2-110×10-2 =12.96 J≈13 JTalk to our academic expert!
Similar Questions
Two equal point charges are fixed at x = - and x = + on the X-axis . Another point charge Q is placed at the origin. The change in electrical potential energy of Q when it is displaced by a small distance x along the X-axis, is approximately proportional to
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