Urgent help plzzzzzzzzzzzzzzz....
Solve this
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Answer:
Let charge at B be Q
EA at B due to A = k (9×10^-10)/9 = 9×10^9 × 10^-10
= 0.9N/C
EC at B due to C = k (16×10^-10)/16 = 9×10^9×10^-10
= 0.9N/C
EA = EC
Enet = root EA^2 + EC^2 + 2 EA EC cos90
= root 2EA^2 + 0
= root 2 × EA
= 1.414 × 0.9 = 1.2726 N/C
Hope it helped u!
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pramod56:
but I can't understand madam
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