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Agniveer Navy Electrostatics — practice questions

3 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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Which formula matches the form of Coulomb's law given in the notes for two charges $q_1$ and $q_2$ separated bTwo point charges +2μC and -3μC are separated by 30 cm. The force on each (k = 9 × 10⁹):Potential at center of square (side a) with charges +q, -q, +q, -q at corners (alternating):