Magnetic Force on Current Carrying Wire

A current carrying wire lies between the poles of

two magnets, as shown. What is the direction of the force on the wire?

• Into the plane of the paper

• Out of the plane of the paper

• Towards the N-pole

• To the right

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The diagram shows a current-carrying wire in a horizontal magnetic field.

Which arrow shows the direction of the force experienced by the wire?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A current-carrying wire of length 50 cm is

positioned perpendicular to a uniform magnetic field.

If the current is 10.0 A and it is determined that there

is a resultant force of 3.0 N on the wire due to the

interaction of the current and field, what is the

magnetic field strength?

• 6.7 E -3 T

• 1.8 E -3 T

• 0.6 T

• 1.5 T

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A 2.0 m wire segment carrying a current of

0.60 A oriented parallel to a uniform magnetic field of

0.50 T experiences a force of what magnitude?

• 0

• 0.15 N

• 0.30 N

• 6.7 N

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A wire is lying horizontally in the north-south

direction and the horizontal magnetic field is toward

the east. Some positive charges in the wire move

north and an equal number of negative charges move

south. The direction of the force on the wire will

• EAST

• WEST

• INTO THE PAGE

• OUT OF THE PAGE

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The force exerted on a current-carrying wire

located in an external magnetic field is directly

proportional to which of the following?

I. Current strength

II. Field strength

III. Length of the wire

• I only

• II only

• I and II only

• I, II and III

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the magnetic force exerted on a 3.50 𝑚 length of wire carrying a current of 1.20 𝐴 perpendicular to a

magnetic field of 0.890 𝑇?

• 6.5 N

• 4.25 N

• 3.74 N

• 1.75 N

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5