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AIIMS 2002
Exam
AIIMS
Year
2002
Subject
Physics
Chapter
Electrostatics

AIIMS 2002 · Physics · Electrostatics

An electron having charge e and mass m is moving in a uniform...

An electron having charge ee and mass mm is moving in a uniform electric field EE. Its acceleration will be

Options

  1. Ae2m\frac{e^2}{m}
  2. BeEm\frac{e E}{m}
  3. CeE2m\frac{e E^2}{m}
  4. DmEe\frac{m E}{e}.

Correct answer

B. eEm\frac{e E}{m}

Step-by-step solution

Charge on electron =e=e Mass of electron =m=m and intensity of uniform electric field =E=E. Acceleration of the electron, a= Force on the electron  Mass of electron = Electric charge × electric field  Mass of electron =eEm.\begin{aligned}a & =\frac{\text{ Force on the electron }}{\text{ Mass of electron }}\\ & =\frac{\text{ Electric charge } \times \text{ electric field }}{\text{ Mass of electron }}=\frac{e E}{m} . \end{aligned}
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