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Inductors
Faraday's law states that relative motion between a magnetic field and a coil induces a voltage across the coil.
True
Correct Answer:
True
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Inductors
An induced voltage is produced as a result of a dc voltage.
Inductance is the property of an inductor that produces an opposition to any change in current.
XL is directly proportional to frequency and inductance.
Inductance is indirectly proportional to the square of the number of turns, the permeability, and the cross-sectional area of the core.
The permeability of a core material is an indication of the ability of the material to establish a magnetic field.
Inductors add in parallel.
Energy is stored by an inductor in an electrostatic field.
The term choke is more commonly used in connection with an inductor used to block off high frequencies.
All coil cores are made of iron.
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