The magnetic force on a point charge moving with velocity v in a magnetic field

ID: 1316206 • Letter: T

Question

The magnetic force on a point charge moving with velocity v in a magnetic field B is greatest when the charge moves

Select one:

a. In the opposite direction to the magnetic field

b. In the same direction as the magnetic field

c. With velocity components both parallel and perpendicular to the magnetic field

d. Perpendicular to the magnetic field

AND:

A resistor is connected to an AC source. Which statement best describes the power as a function of time?

Select one:

a. The power generated is a constant over time.

b. The power gradually increases.

c. The power is gradually dissipated.

d. The average power over time is constant.

The magnetic force on a point charge moving with velocity v in a magnetic field B is greatest when the charge moves

c. With velocity components both parallel and perpendicular to the magnetic field

A resistor is connected to an AC source. Which statement best describes the power as a function of time?

a. The power generated is a constant over time.

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