11.1 Lenz's Law

11.1 Lenz's Law

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Multiple Choice

Complete the diagrams below by indicating an arrow at the left of the coil to show the direction

of conventional current.

• Up, Up

• Up, Down

• Down, Up

• Down, Down

Multiple Choice

Complete the diagrams below by indicating an arrow at the left of the coil to show the direction

of conventional current.

• Up, Up

• Up, Down

• Down, Up

• Down, Down

Multiple Choice

Complete the diagrams below by indicating an arrow at the left of the coil to show the direction

of conventional current.

• Up, Up

• Up, Down

• Down, Up

• Down, Down

Multiple Choice

Complete the diagrams below by indicating an arrow at the left of the coil to show the direction

of conventional current.

• Up, Up

• Up, Down

• Down, Up

• Down, Down

Multiple Choice

Complete the diagrams below by drawing an arrow to indicate the direction that the magnet is moving if it produces a conventional current as shown.

• Up, Up

• Up, Down

• Down, Down

• Down, Up

​Complete the diagrams below by drawing an arrow to indicate the direction that the magnet is moving if it produces a conventional current as shown.

Multiple Choice

Complete the diagrams below by drawing an arrow to indicate the direction that the magnet is moving if it produces a conventional current as shown.

• Up, Up

• Up, Down

• Down, Down

• Down, Up

​Complete the diagrams below by drawing an arrow to indicate the direction that the magnet is moving if it produces a conventional current as shown.

Multiple Choice

Complete the diagrams below by drawing an arrow to indicate the direction that the magnet is moving if it produces a conventional current as shown.

• Up, Up

• Up, Down

• Down, Down

• Down, Up

​Complete the diagrams below by drawing an arrow to indicate the direction that the magnet is moving if it produces a conventional current as shown.

Multiple Choice

Choose the direction of the electrical current:

• Up

• Down

Multiple Choice

What is the direction of the Magnetic Field INDUCED inside the coil?

• Into the plane

• Out of plane

• Up

• Down

Multiple Choice

What is the direction of the INDUCED current in the coil?

• Into

• Out

• CW

• CCW

Multiple Choice

The current on the wire is increasing. What will be the direction of the INDUCED magnetic field inside the loop to oppose the increase of B?

• Into the plane

• Out of the plane

• Clockwise

• CCW

​The current on the wire is increasing. What will be the direction of the INDUCED magnetic field inside the loop to oppose the increase of B?

Multiple Choice

The current on the wire (blue) is increasing.

What is the direction of the INDUCED current inside the loop of wire.

• Into the plane

• Out of the plane

• Clockwise

• CCW

​Right hand used on the loop.

• Thumb = current.

• 4 fingers = direction of B (induced)

Multiple Choice

What is happening on the magnetic flux linkage?

(magnetic field inside the loop)

• Decreasing. Magnetic field is decreasing.

• Increasing. Magnetic field is decreasing.

• Decreasing. Magnetic field is Increasing.

• Increasing. Magnetic field is Increasing.

Multiple Choice

What is the direction of the induced magnetic field opposing to the decrease in B?

• Out of plane. To help the decreasing.

• Out of plane. To oppose the decreasing.

• Into the plane. To stop the decreasing.

• Into the plane. To oppose the decreasing.

Multiple Choice

What is the direction of the induced magnetic field opposing to the decrease in B?

• Out of plane.

• CCW

• Into the plane.

• Clockwise

​Right hand used on the loop.

• Thumb = current.

• 4 fingers = direction of B (induced)

​The Effects of Eddy Currents