A free electron and a free proton are released in identical electric fields. (i)
ID: 1319217 • Letter: A
Question
A free electron and a free proton are released in identical electric fields.
(i) How do the magnitudes of the electric force exerted on the two particles compare?
It is millions of times greater for the electron.
It is thousands of times greater for the electron.
They are equal.
It is thousands of times smaller for the electron.
It is millions of times smaller for the electron.
(ii) Compare the magnitudes of their accelerations.
It is millions of times greater for the electron.
It is thousands of times greater for the electron.
They are equal.It is thousands of times smaller for the electron.
It is millions of times smaller for the electron.
Explanation / Answer
1) F = q*E...
they are equal
ii) a = F/m ...
mass of the elctron is much less than the mass of proton
me = 9.1*10^-31
mp = 1.67*10^-27...
mp = 1837*me...
so the answer is
It is thousands of times greater for the electron.
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