Q1)In magnetism, the measure of the ease with which magnetic flux can pass through a material is called _______..
a) Permeance
b) Flux Density
c) Reluctance
d) MMF
Solution
Magnetic circuit
1.) Permeance: The measure of the ease with which magnetic flux can pass through a material is called permeance.
2.) Flux density: It is the measure of the strength of a magnetic field in a given area. It represents the amount of magnetic flux passing through a unit area perpendicular to the direction of the magnetic field.
3.) Reluctance: It is the measure of the opposition that a material or a magnetic circuit presents to the establishment of a magnetic flux.
4.) Magnetomotive force: It is the driving force that produces a magnetic field in a magnetic circuit.
Electric circuits are analogous to electric circuits. Some of the quantities are given below:
| Electric Circuits | Magnetic Circuits |
| Current | Flux |
| Conductance | Permeance |
| Resistance | Reluctance |
| Conductivity | Permeability |
| Current Density | Flux Density |
| Electric field | Magnetic field |
| Electromotive force | Magnetomotive force |
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