Question

A particle of A of mass of 3mg is balanced by keeping another object of B of charge +30nC below it at a depth of 5cm what should be the charge on A in order to balance it against gravity ​

Answer 1

Answer:

here m=3.2×10 −27 kg,

e=1.6×10 −19 C,g=9.8ms −2As E= qF =emg= 1.6×10−19 - 3.2×10 27×9.8 =19.6×10 −8 NC −1

Explanation:

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