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1. Electric Charges and Fields
normal

$10\ e.s.u$ વિદ્યુતભારની વિદ્યુતસ્થિતિઊર્જા ........ $ergs$ થાય.

A

$87.5$

B

$112.5$

C

$150$

D

$250$

Solution

$U = \frac{{10 \times 40}}{2} + \frac{{10 \times 20}}{4} = 250\,erg.$

Standard 12
Physics

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