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A charge particle is free to move in an electric field

A charge particle is free to move in an electric field. It will travel       

A)                    Always along a line of force

B)                    Along a line of force, if its initial velocity is zero

C)                    Along a line of force, if it has some initial velocity in the direction of an acute angle with the line of force

D)                    None of the above

Answers (1)
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@ Vishal

Assuming the charge is initially at rest and no other forces are acting on the particle then,

The force acting on the charge = qE, where, q is the charge and E is the magnitude of electric field.

The direction of the force will be in the direction of electric field if the charge is positive and vice-verse if the charge is negative.And it will travel along line of force.

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