All the schematic symbols shown in the given figure are variable inductors.

More Questions from Inductors

• A step-up transformer will have a turns ratio greater than 1.
• The quality factor of an inductor is the ratio of inductive reactance to the winding resistance of the coil.
• An inductor will boost current flow.
• The amount of dc current that an inductor will allow to pass depends on the circuit's total resistance that is in series with it.
• 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.

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