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At y = 1 cm, y = 3 cm y = 9 cm, y = 27 c...

At y = 1 cm, y = 3 cm y = 9 cm, y = 27 cm … and so on , an infinite number of charges equal to 5C are placed. At x = 1 cm, x = 2 cm, x = 4 cm, x = 8 cm …. And so on, an infinite number of charges equal to - 5C are placed. Find the electirc potential at origin is volts . `(K = (1)/(4pi epsilon_(0)))`

A

250 K

B

`-250 K`

C

zero

D

`100 K`

Text Solution

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The correct Answer is:
B
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