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Good morning sir. Answer is 4th option. Explain sir.....

Good morning sir.
Answer is 4th option.
Explain sir.....

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1 Answers

Khimraj
3007 Points
5 years ago
Charge on 4\muF = 4*6 = 24\muC
charge on 9\muF = 9*2 = 18\muC
so total charge = 42\muC
then electric field
E = kQ/r2 = 9*109*42*10-6/900 = 420 N/C 
Hope it clears. If you like answer then please approve it.

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