5 STARS TO BEST ANSWER PLEASE SHOW WORK AND EXPLAIN ANSWER What must the initaia

Question

5 STARS TO BEST ANSWER PLEASE SHOW WORK AND EXPLAIN ANSWER

What must the initaial state of motion of a charged particle be if it will follow a helical path in a magnetic field?

a.) It must be moving at an angle that is neither parallel to nor perpendicular to the magnetic field.

b.) It must be moving parallel to the magnetic field.

c.) It must be moving perpendicular to the magnetic field.

d.) It must be moving in the direction opposite to the magnetic field.

e.) It must be initially at rest when it is placed in the magnetic field.

Explanation / Answer

Answer is A

It must be moving at an angle that is neither parallel to nor perpendicular to the magnetic field.

since charged particle initial velocity will have non zero component along magnetic field which will remain undisturbed.

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