A circuit contains a battery and a resistor in series. Determine the magnitude of the magnetic field outside of the loop away from the wire.

There is a loop with a radius of and a current of . Determine the magnitude of the magnetic field at the center of the loop.

If the north end of a magnetic points towards the geographic north pole, that means that the geographic north pole is a magnetic __________ pole.

Radius of moon:

A loop of current carrying wire runs along the equator of the moon. Determine the magnetic field at the center of the loop if are traveling through it

A circular circuit is powered by a battery. How will the magnetic field change if the battery is removed and placed in the opposite direction?

How strong would a magnetic field need to be in order to make a particle with a mass of and a charge of move in a circular path with a speed of and a radius of ?

A circular circuit is powered by a battery. How will the magnetic field change if a second battery is added in the same direction as the first?

An infinitely long wire carries a current of determine the magnitude of the magnetic field away.

Suppose that a positively charged particle with charge moves in a circular path of radius in a constant magnetic field of strength . If the magnetic field strength is doubled to , what effect does this have on the radius of the circular path that this charge takes?

loops of current carrying wire form a solenoid of length that carries and have radius . Determine the magnetic field at the center of the solenoid.