Q.

Formula for calculating the mass of the electron (me) is

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a

me=mee·e/me

b

me=ee/me

c

me=e+eme

d

me=e-eme

answer is B.

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Detailed Solution

Formula for calculating mass of electron me is me=ee/me. where, me= mass of electron in kge= magnitude of the charge on the electron in coulomb (C) Since, electrons are negatively charged, the charge on electron is -e.
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