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Inductors
What is electromagnetism?
the magnetic field generated around a conductor when a current passes through it
the magnetic field generated in a conductor by an external voltage
the voltage caused by a magnetic field in a conductor
the current generated by an external magnetic field
Correct Answer:
the magnetic field generated around a conductor when a current passes through it
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Inductors
What is the total inductance of a 5 H and a 100 mH coil connected in parallel?
What does Faraday's law concern?
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.
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