1.

In the rectangle, shown below, the twp corners have charges q_(1)=-5muC and q_(2)=+ 2.0 muC. The work done in moving a charge +3.0 muC from B to A is (take 1//4 pi epsilon_(0)=10^(10)"N-m"^(2)//C^(2))

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2.8 J
3.5 J
4.5 J
5.5 J

Answer :A


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