Magnetic Fields Quiz

What type of field describes the magnetic influence on moving electric charges, electric currents, and magnetic materials?

• Vector field

• Scalar field

• Matrix field

• Tensor field

What force does a moving charge in a magnetic field experience?

• In the direction of the magnetic field

• Parallel to its own velocity

• Perpendicular to its own velocity

• Opposite to the magnetic field

What unit is used to measure magnetic flux density?

• Kilogram per second squared per ampere

• Newton per meter per ampere

• Tesla

• Ampere per meter

In vacuum, how are the magnetic fields denoted by B and H related?

• They are equal

• They are inversely proportional

• They are directly proportional

• They are unrelated

What fundamental force of nature do magnetic fields and electric fields belong to?

• Weak nuclear force

• Gravitational force

• Electromagnetic force

• Strong nuclear force

What are rotating magnetic fields used in?

• Refrigerators

• Electric motors and generators

• Television sets

• Microwave ovens