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Question: If an electron is going in the direction of magnetic field \(\vec { B }\) with the velocity of \(...

If an electron is going in the direction of magnetic field B⃗\vec { B } with the velocity of v⃗\vec { v } then the force on electron is

A

Zero

B

e(v⃗⋅B⃗)e ( \vec { v } \cdot \vec { B } )

C

e(v⃗×B⃗)e ( \vec { v } \times \vec { B } )

D

None of these

Answer

Zero

Explanation

Solution