Question

How much energy is acquired by an electron beam while passing through a p.d. of 1000V?

Answer 1

Answer:

When an electron is accelerated across a potential difference, it gains energy in the form of kinetic energy.

Explanation:

Answer 2

Explanation:

Energy gained by electron = Ve

Equating to the kinetic energy

KE=Ve

21mv2=Ve

v=m2Ve

Put the values of e=1.6×10−19C

me=9.1×10−31kg

v=1.89×107m/s

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