6.The electric field at (30,30) cm due to a charge of -8nC at the origin in N𝐶^(−1) is -400(𝑖 ̂ +𝑗 ̂) 400(𝑖 ̂ +𝑗 ̂) -200√2(𝑖 ̂ +𝑗 ̂) 200√2(𝑖 ̂ +𝑗 ̂)

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