AP Physics: Magnetic Force on Charged Particles

A magnetic force acts on a charged particle. In doing so, the particle ________.

• changes only its speed

• changes only its direction

• changes both its speed and direction

• depends on the sign of the particle's charge

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A magnetic force acts on a charged particle. In doing so, the field does

• positive work on the particle

• zero work on the particle

• negative work on the particle

• depends on the sign of the charge of the particle

Tags

NGSS.HS-PS3-5

What direction is the magnetic force?

• right (+x)

• left (-x)

• up (+y)

• down (-y)

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What direction is the magnetic force on the particle?

• Out of the page (+z)

• Into the page (-z)

• Down & left (opposite field)

• No force

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which particle has a magnetic force acting up (+y)?

• a

• b

• c

• d

Tags

NGSS.HS-PS3-5

Which two particles experience a magnetic force acting to the right (+x)?

• a

• b

• c

• d

A positive particle experiences a magnetic force as shown. Which has a magnetic field pointing right (+x)?

• a

• b

• c

• none of the above

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A positive particle experiences a magnetic force as shown. Which has a magnetic field pointing down (-y)?

• a

• b

• c

• none of the above

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the direction of the magnetic force on q?

• left (-x)

• right (x)

• into the page (-z)

• out of the page (z)

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which best describes the path of the particle?

• clockwise circle

• counterclockwise circle

• parabola

• straight line

Tags

NGSS.HS-PS3-5