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in Physics by (60.8k points)

A particle having a charge of 5.0μC and a mass of 5.0 x 10-12kg is projected with a speed of 1.0km/s in a magnetic field of magnitude 5.0mT. The angle between the magnetic field and the velocity is sin-1(0.90). Show that the path of the particle will be a helix. Find the diameter of the helix and its pitch.

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1 Answer

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= 5μF = 5 × 10–6C, m = 5 × 10–12kg, V = 1km/s = 103m/'

= 0.54metre = 54mc.

The velocity has a x-component along with which no force acts so that the particle, moves with uniform velocity.

The velocity has a y-component with which is accelerates with acceleration a. with the Vertical

component it moves in a circular crosssection. Thus it moves in a helix.

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