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1. Electric Charges and Fields
easy
A point charge $q_1$ exerts an electric force on a second point charge $q_2$. If third charge $q_3$ is brought near, the electric force of $q_1$ exerted on $q_2$
A
Decreases
B
Increases
C
Remains unchanged
D
Increases if $q_3$ is of same sign as $q_1$ and decreases if $q_3$ is of opposite sign
Solution
(c)
Electric force between ' $2$ ' charge do not depend on the '$3'^{rd}$ charge.
Standard 12
Physics