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Three point charges q, 2q and 8q are to ...

Three point charges q, 2q and 8q are to be placed on a
. 9cm long straight line. Find the
. positions where the charges shouldbe placed such that the potential energy
. of this sysrem is minimum. In this situation, what is the
. electric field at the charge q due to the other two charges?

A

charge q between charges 2q and 8q and 5 cm from charge 2q.

B

charge q between charges 2q and 8q and 5 cm from charge 2q.

C

charge 2q between charges q and 8q and 5 cm from charge q.

D

charge 2q between charges q and 8q and 7 cm from charge 2q.

Text Solution

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The correct Answer is:
A
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