At the corners A,B,C of a square ABCD, charges 10 mC, -20mC are placed. The electric intensity at the centre of the square to become zero, the charge to be placed at the corner Dis

At the corners A,B,C of a square ABCD, charges 10 mC, -20mC are placed

1.	At the corners A,B,C of a square ABCD, charges 10 mC, -20mC are placed. The electric intensity at the centre of the square to become zero, the charge to be placed at the corner Dis
Answer» `-20 MC` `+ 20 mC` 30 mC `-30 mC` ANSWER :A

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At the corners A,B,C of a square ABCD, charges 10 mC, -20mC are placed. The electric intensity at the centre of the square to become zero, the charge to be placed at the corner Dis

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