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Ans. It is quantity of electric charge that exerts a force of 9x1000000000 newton on an equal charge placed at a distance of 1 metre from it.
Ans. It is quantity of electric charge that exerts a force of 9×1000000000 newton on an equal charge placed at a distance of 1 metre from it.
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Ans. The matters contain positively charged particles called Protons.
Ans. The matters contain positively charged particles called Protons.
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