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29-09-2022
Physics

Answered

6. A positively charged rod has a charge of 4.2 x 10^-17 C. The number of protons

on the charged balloon will be? ( charge on a proton = 1.6 x 10^-19 C )

7. A negatively charged plastic cup contains 400 electrons. The charge of the

plastic cup will be? ( charge on an electron = -1.6 x 10^-19 C )

8. A negatively charged balloon has a charge of -7.2 x 10^-16 C. The number of

electrons on the charged balloon will be:

Answer :

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