Inductors Questions

• A transformer can be designed to step up or step down dc voltage.
• The current through an inductor in a parallel RL circuit leads the current through the resistor.
• The primary winding of a transformer is the side connected to the load.
• The total inductance in the given circuit is 0.6 mH.
• An air-core inductor has a metal core.
• The ___ of a coil is the inherent resistance of the wire.
• The ___ cannot change instantaneously in an inductor.
• The inductance value of L3 in the given figure is _____ if the total inductance is 340 mH.
• After the first time constant, a transient current has changed by _______________ %, leaving _______________ % remaining.
• Inductive ___ represents the opposition to an alternating current.
• The total inductive reactance is ___ in the given circuit.
• ___ power represents the energy dissipated at a given point in time.
• The inductive reactance of L2 is _____ in the given circuit.
• Electromagnetic induction is the generation of _________ from __________.
• The opposition to ac by an inductor is directly proportional to ___.
• When current flow tries to decrease in an inductor, the magnetic field _______________ and the voltage polarity across the inductor _______________.
• After a voltage has been applied to an inductor, the current will be ___ of its full value after 2 time constants.
• An RL integrator can act as a __________ filter and an RC differentiator can act as a __________ filter.