HW: Magnetic Induction

What is the direction of the induced magnetic field?

• Left
• Right
• Up
• Down

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the direction of the induced magnetic field?

• Left
• Right
• Up
• Down

Tags

NGSS.HS-PS2-5

Name the following law: A changing magnetic field creates an electric current in a coil.

• Ampere's Law

• Faraday's Law

• Lenz's Law

• Coulomb's Law

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Name the following law: A moving magnet creates an opposing magnetic field.

• Ampere's Law

• Faraday's Law

• Lenz's Law

• Coulomb's Law

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Determine the direction of induced current if the magnetic field is increasing.

• Clockwise

• Counter clockwise

• No induced current

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Determine the direction of induced current if the magnetic field is constant.

• Clockwise

• Counter clockwise

• No induced current

Tags

NGSS.HS-PS2-5

Determine the direction of the current across the resistor ab when coil B is brought closer to coil A while the switch S is closed.

• a to b

• b to a

• no current

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Predict the direction of induced current in a metal ring when the ring is moved towards a straight conductor with constant speed v. The conductor is carrying current I in the direction shown in the figure.

• Clockwise

• Counter Clockwise

A coil spins in a magnetic field. Of the following

which causes an increase in the induced EMF in

the coil?

• Spinning the coil faster

• Removing the coil from the magnetic field

• Keeping the flux at a constant rate

• Decreasing the number of turns of wire in

  the coil

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Voltage can be induced in a wire by

• a. moving the wire near a magnet.
• b. moving a magnet near the wire.
• c. changing the current in a nearby wire.
• d. all of these

Tags

NGSS.HS-PS2-5