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CBSE Class 11-science Answered

a point p is located 9cm away from a point charge of 4*10-7calcuclate the work done
Asked by nayaksanghamitra473 | 30 Dec, 2023, 12:55: AM
answered-by-expert Expert Answer

It is assumed that calculation of workdone means workdone to bring unit positive charge from infinity

to the point p which is at a distance 9 cm from another point charge q = 4 × 10-7 C .

Workdone to bring unit positive charge from infinity to the point p which is at a distance d = 9 cm from

another point charge q = 4 × 10-7 C is electric potential V at point p due to the charge q

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where K = 9 × 109 N m2 C -2 is Coulomb's constant .

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