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Four charges of same magnitude q are pla...

Four charges of same magnitude q are placed at four corners of a square of side a . The value electric potential at the centre of the souare will be (where k = `(1)/(4 pi epsilon_(0))` )

A

`(4 kq)/(a ) `

B

`4 sqrt(2) (kq)/(a ) `

C

`(4kq)/(sqrt(2a))`

D

`(kq)/(a sqrt(2))`

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-ELECTROSTATIC POTENTIAL AND CAPACITANCE -ASSIGNMENT SECTION - A
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