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Inductors
What does Faraday's law concern?
a magnetic field in a coil
a magnetic field cutting a conductor
a magnetic field hystersis
a magnetic field in a conductor
Correct Answer:
a magnetic field cutting a conductor
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Inductors
XL = 2ΠfL
Self-inductance is the property that causes an electromotive force to be produced in a conductor.
Lenz's law states that the current induced in a circuit due to a change in the magnetic field is so directed as to oppose the change in flux or to exert a mechanical force opposing the motion.
Kirchhoff's voltage law does not apply to series RL circuits.
For inductions in series, LT = L1 + L2 + L3 +...
Inductors connected in series will increase the total inductance value.
Five time constants are required for current in an inductor to reach a maximum value.
Magnetic force is the force that produces a magnetic field.
Maximum power will transfer across a transformer when the primary impedance equals the secondary impedance.
Inductance is proportional to the cross-sectional area of a coil.
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