1.

When a charged particle moving with velocity `vec(V)` is subjected to a magnetic field of induction `vec(B)` the force on it is non-zero. This implies that:A. Angle between `vecV` and `vecB` is necessary `90^(@)`B. Angle between `vecV` and `vecB` can have at value other than `90^(@)`C. Angle between `vecV` and `vecB` can have at value other than zero and `180^(@)`D. Angle between `vecV` and `vecB` is either zero or `180^(@)`

Answer» Correct Answer - C
F=q`(vecVxxvecB)`=avB sin0 n
"therefore when" `0=0^(@) or 0=180^(@)`,F=0


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