Multiple Choice
If the cross-sectional area of a magnetic field decreases, the flux density ________.
A) remains the same
B) decreases
C) increases
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q19: The purpose of a commutator in a
Q20: According to the left-hand rule for the
Q21: For a high current switching application where
Q22: The magnetic term that is equivalent to
Q23: Hysteresis is a characteristic of magnetic materials
Q25: The opposition)to being magnetized is called permeability
Q26: A relay is a device that _.<br>A)isolates
Q27: Soft iron, copper, and silver make good
Q28: If a basic one-loop, dc generator rotates
Q29: A weber is a unit of _.<br>A)reluctance<br>B)permeability<br>C)magnetic