20. An electron having a charge e moves with a velocity \( v \) in X-direction. An electric field acts on it in Y-direction? The force on the electron acts in (a) positive direction of Y-axis (b) negative direction of \( Y \)-axis (c) positive direction of \( Z \)-axis (d) negative direction of Z-axis

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20. An electron having a charge e moves with a velocity \( v \) in X-direction. An electric field acts on it in Y-direction? The force on the electron acts in (a) positive direction of Y-axis (b) negative direction of \( Y \)-axis (c) positive direction of \( Z \)-axis (d) negative direction of Z-axis

Monjur Alahi

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2025-01-04 04:42

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Answer: negative direction of Z-axis

Explanation:
As electron moving in positive x-direction, so the current is moving in negative x-direction ( the direction of your middle finger) and the magnetic field acts on positive Y-direction ( the direction of your index finger) then thumb will be in negative Z-direction which is the direction of force.