Two Identical Point Charges Q Are Placed Each Diagonally Opposite

question 26

Multiple Choice

Two identical point charges Q are placed each diagonally opposite corners of a square (1.0 m on a side) .The magnitude of the electric field at either of the two unoccupied corners is 19.1 N/C.The absolute value of the charge Q is

• A)1.5 nC.
• B)2.4 nC.
• C)3.2 nC.
• D)4.7 nC.
• E)5.9 nC.

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