Force acting on a charged particle moving with velocity
→
v
is subjected to magnetic field
→
B
is given by
→
F
=q(
→
v
×
→
B
);F=qvBsinθ (i) When θ=0°,F=qvBsin0°=0 (ii) When θ=90°,F=qvBsin90°=qvB (iii) When θ=180°,F=qvBsin180°=0 This implies force acting on a charged particle is non-zero, when angle between