All Flashcards
What is the difference between Biot-Savart Law and Ampère’s Law?
Biot-Savart Law: Calculates the magnetic field from a small current segment, useful for complex geometries. Ampère’s Law: Relates the magnetic field around a closed loop to the enclosed current, useful for symmetrical situations.
What is the effect of a charged particle moving perpendicular to a uniform magnetic field?
The particle undergoes cyclotron motion, moving in a circular path.
What happens to the magnetic field strength as you move further away from a long, straight current-carrying wire?
The magnetic field strength decreases.
What happens when the angle between a current-carrying wire and a magnetic field is 90 degrees?
The force on the wire is maximized.
Define magnetic force (F).
The force experienced by a charged particle moving in a magnetic field, measured in Newtons (N).
What is magnetic field strength (B)?
A measure of the intensity of a magnetic field, measured in Tesla (T).
What is the permeability of free space ()?
A physical constant representing the ability of a vacuum to support the formation of a magnetic field. T⋅m/A.
Define Ampère's Law.
The line integral of the magnetic field around a closed loop is proportional to the current enclosed by the loop.
Define Biot-Savart Law.
Law that calculates the magnetic field created by a small segment of current-carrying wire.
Define Cyclotron motion.
The circular motion of a charged particle in a uniform magnetic field.