Grade 10 8.2 Applying Magnetic Force Class Work

A current-carrying wire is placed in a magnetic field B as shown below. What is the direction of the magnetic force, if any, on the wire?

• Downward

• Into the page

• To the left

• There is no magnetic force on the wire

A conductor carrying a current directed into the page is placed in a magnetic field B as shown below. What is the direction of the magnetic force on the wire?

• downward

• To the left

• To the right

• upward

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

• Towards the S-pole

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

• III only

• I, II and II

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 N

• 0.15 N

• 0.30 N

• 6.7 N

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 × 10^-3 𝑇

• 1.8 × 10^-3 𝑇

• 0.60 𝑇

• 1.5 𝑇

A 2.0 m long wire carrying 10 A of current moves through an 6.0 T magnetic field. What is the magnetic force acting on the wire?

• 10 N

• 120 N

• 0.5 N

• 2 N

In what direction is the electric current flowing according to right hand rule 2?

• Up

• Down

• Left

• Right

Describe the direction the charge gets deflected at in the diagram above

• up

• down

• left

• right

Describe the direction the charge gets deflected at in the diagram above

• out of the page

• into the page

• left

• right