Magnetic Force on Charged Particle

A beam of positively charged alpha particles enters

the magnetic field between the poles of a magnet.

In which direction is the magnetic force on the beam?

• Down the page

• Into the page

• Out of the page

• Up the page

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

An electron which moves with a speed of 30000

𝑚/𝑠 parallel to a uniform magnetic field of 0.40 𝑇

experiences a force of what magnitude?

• 0

• 2.2 E -24

• 1.9 E -15

• 4.8 E -14

Tags

NGSS.HS-PS2-1

NGSS.HS-PS3-5

The force on a charged particle created by its

motion in a magnetic field is maximum at what angle

between the particle velocity and field?

• 0

• 45

• 90

• 180

The diagram shows a beam of electrons entering a

magnetic field. What is the effect of the magnetic field on the electrons?

• They are deflected into the plane of the

  diagram

• They are deflected out of the plane of the

  diagram

• They are deflected towards the bottom of

  the diagram

• They are deflected towards the top of the

  diagram.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A positively charged particle moves with a velocity

𝑣⃗ at an angle 𝜃 relative to a magnetic field 𝐵<⃗, as

shown in the figure below. What is the direction of

the magnetic force exerted on the particle?

• Out of the page

• Into the page

• Top of the page

• Bottom of the page

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A proton is released such that it has an initial speed of

4.0 E 5 𝑚/𝑠 from left to right across the page. A

magnetic field of 1.2 𝑇 is present at an angle of 30° to

the horizontal direction (or positive x axis). What is the

magnitude of the force experienced by the proton?

• 4.8 E -25

• 1.3 E -19

• 3.8 E -14

• 7.5 E -14

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The right-hand rule allows one to find a property

of the interaction of a magnetic field with a charged

particle. The right-hand rule applied to moving

charges _____.

• results in positive charges moving

  clockwise

• results in negative charges moving

  clockwise

• can be used for negative charges only

• gives the direction of the force on a

  charge moving in a magnetic field

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A stationary positive charge +Q is located in a

magnetic field B, which is directed toward the right

as indicated. Which of the following is true regarding

the direction of the magnetic force on Q?

• right

• left

• up

• no force

Tags

NGSS.HS-PS3-5

The diagram shows a beam of electrons entering

a magnetic field. The direction of the magnetic field is

out of the page.In what direction does the deflection of the electrons occur?

• Into the page

• Out of the page

• Towards the bottom of the page

• Towards the top of the page

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Three particles travel through a region of space

where the magnetic field is out of the page, as shown

in the figure. The electric charge of each of the three

particles is, respectively.

• 1 is neutral, 2 is negative, and 3 is

  positive

• 1 is neutral, 2 is positive, and 3 is

  negative

• 1 is positive, 2 is negative, and 3 is

  neutral

• 1 is negative, 2 is neutral, and 3 is

  positive

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5