Six Equal Negative Point Charges, -Q, Are Placed Symmetrically Around

question 11

Multiple Choice

Six equal negative point charges, -q, are placed symmetrically around a circle of radius R. What is the electric potential at the centre of the circle?

• A)[0]
• B)[-3q/(2ðå₀R)]
• C)[+q/(4ðå₀R)]
• D)[-q/(2ðå₀R)]

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