Magnetism Unit Quiz

Magnetic Field Lines are drawn

• Around the magnet in circles

• From the North pole to the South pole of a magnet

• From the South pole to the North pole of a magnet

• Magnetic field lines don't exist

What is the equation for the force on a moving charge

• F=qvB

• F=qv/B

• 9.8 N/kg

• None of the above

Magnetic Fields are created by

• Imaginary elves

• Moving charges

• Stationary charges

An electron with charge 1.6 x 10^-19 C passes through a magnetic field at right angles to the field at a velocity of 4.0 x 10⁶ m/s. The strength of the magnetic field is 150 T. What is the size of the force acting on the electron?

• 9.6 x 10^-11 N

• 1.6 x 10^-19 N

• 9.8 N

• 960 N

A wasp accumulates 1.5 x 10^-12 C of charge while flying perpendicular to Earth’s magnetic field of 3.1 x 10^-5 T. How fast is the wasp flying if the magnetic force acting on it is 6 x 10^-16 N?

• 0.0775 m/s

• 12.9 m/s

• 2.79 x 10^-32 m/s

• 9.8 m/s

A positive charge is moving to the left through a magnetic field that is going into the page. What is the direction of the force on the charge?

• Up

• Down

• Into the page

• Out of the page

• No Force

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A positive charge is moving to the left through a magnetic field that is coming out of the page. What is the direction of the force on the charge?

• Up

• Down

• Into the page

• Out of the page

• No Force

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A positive charge is stationary in a magnetic field that is coming out of the page. What is the direction of the force on the charge?

• Up

• Down

• Into the page

• Out of the page

• No Force

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A current (I) is moving through a wire in the upward direction through a magnetic field directed to the right. What is the direction of the force on the wire?

• Up

• Down

• Into the page

• Out of the page

• No Force

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The 10.0 cm diameter loop below has 15 windings and is pulled from the 40 T magnetic field in 0.50 s. What is the average Voltage?

• 37.68 V

• 376800 V

• 9.42 V

• 3000 V