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CBSE Class 12-science Answered

How much work is required to be done to separate the charges of a dipole till infinity with Q ± 7μC and r = 0.18 m?

Asked by Topperlearning User | 24 Apr, 2015, 02:08: PM
Expert Answer

Given:

Q  = ± 7μC

r = 0.18 m

Energy to be stored in the dipole, U = -K Syntax error from line 1 column 49 to line 1 column 73. Unexpected 'mathsize'.

U = - Syntax error from line 1 column 49 to line 1 column 73. Unexpected 'mathsize'.

= - 2.455 J

Therefor, 2.455 J work has to be done to separate the charges till infinity. The negative sign indicates that the work has to be done against the attraction of charges.

Answered by | 24 Apr, 2015, 04:08: PM
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