Identical point charges (+50 μC) are placed at the corners of a square with sides of 2.0-m length. How much external energy is required to bring a fifth identical charge from infinity to the geometric center of the square?
A) 41 J
B) 16 J
C) 64 J
D) 10 J
E) 80 J

Question

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The Answer of Identical point charges (+50 μC) are placed at the corners of a square with sides of 2.0-m length. How much external energy is required to bring a fifth identical charge from infinity to the geometric center of the square?
A) 41 J
B) 16 J
C) 64 J
D) 10 J
E) 80 J

Identical Point Charges (+50 μC) Are Placed at the Corners