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What does q1 +q2 =0, signify in electros...

What does `q_1 +q_2 =0`, signify in electrostatics?

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It signifies that `|q_1|=|q_2|` but signs of `q_1 and q_2 ` are mutually opposite.
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U-LIKE SERIES-ELECTRIC CHARGES AND FIELDS -VERY SHORT ANSWER QUESTIONS
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