A point charge Q = -500 nC and two unknown point charges, q₁ and q₂, are placed as shown in the figure. The electric field at the origin O, due to charges Q, q₁ and q₂, is equal to zero. The charge q₁ is closest to A) 130 nC. B) 76 nC. C) 150 nC. D) -76 nC. E) -130 nC.

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The Answer of A point charge Q = -500 nC and two unknown point charges, q₁ and q₂, are placed as shown in the figure. The electric field at the origin O, due to charges Q, q₁ and q₂, is equal to zero. The charge q₁ is closest to A) 130 nC. B) 76 nC. C) 150 nC. D) -76 nC. E) -130 nC.

A Point Charge Q = -500 NC and Two Unknown