Inductors Questions

• A winding of wire can be called
• Counter emf or induced voltage is:
• What is the phase angle between the source voltage and current, when a 100 mH inductor with a reactance of 6 kΩ, and a 1 kΩ resistor are in series with a source?
• In a purely inductive circuit,
• How long until the current is at a maximum?
• In a transformer, what will happen to the primary current if the secondary magnetic field increases?
• In the given circuit, what will the voltage be across R3 25 µs after the switch is moved to position 2?
• What is the current rise after 2 time constants if Vs = 12 V dc, R = 60 Ω, and the inductor is rated at 24 mH?
• The electrical energy consumed by a coil is stored in the form of:
• When the transformer secondary is not loaded:
• The output phase for a transformer is:
• A practical inductor
• Which transformer turns ratio is needed to match two 16-ohm parallel devices to an output of 22.2 ohms?
• When current in an inductor starts to change, it cannot react instantly due to:
• What is the phase angle of a 24 Vac parallel RL circuit when R = 45 ohms and XL = 1100 ohms?
• On a schematic, dashed lines between two vertical coils usually mean the transformer has:
• The polarity of induced voltage while a field is collapsing is:
• What is the number of turns required in the secondary winding for a transformer when 120 volts is applied to a 2400-turn primary to produce 7.5 Vac at the secondary?
• A loaded transformer will achieve mutual induction when:
• When used as a filter, an inductor is