# What is the condition for a charged particle to go Undeflected in an arrangement of crossed electric and magnetic field?

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A Charged particle will get undeflected when an electric field is switched off in a region of crossed electric and magnetic field but if the magnetic field is switched off instead of electric field the particle will have initial acceleration.

## Under what condition will an alpha particle move Undeflected?

The electric field must be equal to the magnetic field. So that the electric and magnetic fields get cancelled with each other and so the proton is undeflected. If the electric and magnetic fields get cancelled then the α−particle and electrons also travels undeflected by the fields.

## What does it mean when a particle is Undeflected?

If the magnetic force on the particle is zero, a charged particle goes undeflected in a region containing electric and magnetic fields and v ∥E .

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## How can a charged particle move through a magnetic field Undeflected?

Then the force applied by the magnetic field can be cancelled by the force applied by the electric force on the charged particle so the particle moves undeflected.

## What is the condition of directed movement of charged particles?

A charged particle experiences a force when moving through a magnetic field. … If the field is in a vacuum, the magnetic field is the dominant factor determining the motion. Since the magnetic force is perpendicular to the direction of travel, a charged particle follows a curved path in a magnetic field.

## Under what condition a charged particle goes Undeflected?

The particle may go undeflected in the case when forces due to electric field and magnetic field balance each other.

## Is there any condition for which an electron will move Undeflected?

Crossed electric and magnetic fields is that when electric and magnetic fields are perpendicular to each other, so under such circumstances, electrons will move undeflected due to electric force on electron which gets balanced by magnetic force acting on it.

## At what condition the charge will move without any deflection in combined electric and magnetic field?

When the strength of electric and magnetic fields are varied to get the forces due to electric and magnetic field to be equal(FE = FB), then the charge can move in the field without any deflection.

## What will be the path of a charged particle moving perpendicular to a uniform magnetic field?

Circle is the trajectory of charged particle moving perpendicular to the direction of uniform magnetic field.

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## What happen when a current carrying loop is placed inside a non uniform magnetic field?

Answer: The “current loop placed” in the ‘non – uniform magnetic field’ experiences “a force and a torque”. Explanation: When there is a “non-uniform magnetic field” and current is in loop then it will experience force and torque.

## When a charged particle passes through an electric field which among the following properties change?

If a positive charge is moving in the same direction as the electric field vector the particle’s velocity will increase. If it is moving in the opposite direction it will decelerate. If a negative charge is moving in the same direction as the electric field vector the particle will decelerate.

## What is cyclotron period?

A moving charge in a cyclotron will move in a circular path under the influence of a constant magnetic field. If the time to complete one orbit is calculated: it is found that the period is independent of the radius.

## What is the principle of Lenz law?

Lenz’s law upholds the general principle of the conservation of energy. If the current were induced in the opposite direction, its action would spontaneously draw the bar magnet into the coil in addition to the heating effect, which would violate conservation of energy.

## What is the movement of charged particles?

The movement or flow of charged particles is what produces electricity and magnetism. In fact, a moving stream of electric charge is electric current. This movement of charge can be induced by the relative movement of a magnet and coil of wire—this is the fundamental design for electric generators.

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## When a charged particle moves through a magnetic field it suffers a change in?

When a charged particle enters a magnetic field at a direction perpendicular to the direction of motion, the path of the motion is circular. In circular motion the direction of velocity changes at every point (the magnitude remains constant). Therefore, the tangential momentum will change at every point.

## How does a charged particle moves in crossed electric and magnetic field?

Charge is moving perpendicular to parallel electric and magnetic fields. Let electric and magnetic fields align along y-direction and velocity vector is aligned along positive x-direction. … Motion of a charged particle in electric and magnetic fields Resulting motion is a helical motion with increasing pitch.