ElectrostaticsHard

Question

Four charges equal to -Q are placed at the four corners of a square and a charge q is at its centre. If the system is in equilibrium the value of q is

Options

A.- (1 + 2√2)
B. (1 + 2√2)
C.- (1 + 2√2)
D. (1 + 2√2)

Solution

q = + (1 + 2√2)

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