Lessons

Eamcet Physics
2 nd Year : Unit 1.1 ( Electrostatics ) - Electrostatics

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Q.

Two unit negative charges are placed on a straight line. A positive charge q is placed exactly at the midpoint between these unit charges. If the system of these three charges is in equilibrium, the value of q (in C) is

View Answer

Correct choice: D

Explanation:

If the system of these three charges is in equilibrium if repulsive force between –Q and –Q is balanced by attraction forces between q and -Q

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