Question

If the magnitude of each charge and distance between them is doubled then force will be

Answer 1

Answer:

Therefore, the coulomb force will become 4 times. Now, the force is inversely proportional to the distance between the charges squared i.e r². ... Therefore on doubling both charges the product of charges will get quadrupled i.e will become 4 times. Therefore, the coulomb force will become 4 times.

Explanation:

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Answer 2

Answer:

here no change force because magnitude as well as distance become 4 times so 4 will cancel the 4

see how

magnitude ✖ 4 / (2r) ka whole square =

magnitude ✖ 4 / 4 ✖ (r) ka square

here 4 will be canceled in denominator as well as in numerator so force will remain same