Home Physics Moving Charge and Magnetism Karnataka - CET Previous Year Question Pick out the wrong statement.
Physics Moving Charge and Magnetism Karnataka - CET Previous Year Question MCQ (Single Correct)

Pick out the wrong statement.

A
The gain in the K.E. of the electron moving at right angles to the magnetic field is zero.
B
When an electron is shot at right angles to the electric field, it traces a parabolic path.
C
An electron moving in the direction of the electric field gains K.E.
D
An electron at rest experiences no force in the magnetic field

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Text Solution

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The correct answer is:
C

Electron is negatively charged, hence experiences electrostatic force opposite to the direction of electric field. As a result, an electron moving in the direction of electric field loses kinetic energy.

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