Magnetism Review

A magnet is shown surrounded by its magnetic field. In which area of Figure 16-2A is the magnetic field strongest?

• A

• B

• C

• D

According to the right hand rule, your palm represents which variable?

• charge velocity

• Force

• Magnetic Field

• current flow

The L in the formula, F=ILB, stands for the length of the magnetic field.

• True

• False

The unit used to measure the strength of a force on a wire in a magnetic field is  

• ampere

• tesla

• meter

• newton

In the formula F =BIL, the unit associated with I is _____ .

• Tesla

• newton

• Coulomb

• Ampere

In the formula F = BIL, the unit associated with F is _____ .

• newton

• Ampere

• Tesla

• Coulomb

You can use your left hand when determining the directions of a current in a wire in a magnetic field.

• True

• False

Based on the image above, what is the direction of the force? (Hint: The magnetic field is going into the page and a negative particle has a velocity going down.)

• up

• left

• right

• into screen

Based on the image above, what is the direction of the force? (Hint: The magnetic field is coming out of the page and a positive charge is moving up.)

• out of screen

• down

• right

• left

What direction is the force on the current carrying wire when entering a uniform B field in the direction indicated? (Hint: The magnetic field is coming out of the page and the current is flowing to the left.)

• right

• left

• down

• up