LCR Test Study Questions With 100%
Correct Answers
In a parallel LCR circuit, the voltage drop across the resistor is maximum when? - CORRECT
ANSWER✔✔At any frequency
What type of effect is created when energy is transferred back and forth between the inductor
and the capacitor? - CORRECT ANSWER✔✔Flywheel
When is total impedance of a parallel LCR circuit maximum? - CORRECT ANSWER✔✔At
resonant frequency
At resonance in a parallel circuit, what is current? - CORRECT ANSWER✔✔Minimum
How many different frequencies in an LCR circuit produce resonance? - CORRECT ANSWER✔✔1
Transformers operate on what principle? - CORRECT ANSWER✔✔Mutual inductance
In a diode, what type of material has holes? - CORRECT ANSWER✔✔P type
In a diode, what does the N type material contain? - CORRECT ANSWER✔✔free electrons
In a diode, in which direction do the holes appear to move? - CORRECT ANSWER✔✔Opposite of
electrons
, What is the effect on voltage drops in a changed value component in a series LCR component? -
CORRECT ANSWER✔✔All voltage drops measure incorrectly
A resonant circuit is one in which what occurs? - CORRECT ANSWER✔✔The capacitive reactance
equals the inductive reactance?
In a diode, what does the N indicate in the printed code? - CORRECT ANSWER✔✔A solid state
device
How is a battery connected to forward bias a diode? - CORRECT ANSWER✔✔The negative side
to the cathode, the positive side to the anode
What is the positive part of a diode called? - CORRECT ANSWER✔✔An anode
What is the negative part of a diode called? - CORRECT ANSWER✔✔The cathode
How the the primary characteristic of the diode be described as? - CORRECT
ANSWER✔✔Changing AC current to DC current flow
What do resistance readings for a shorted diode indicate? - CORRECT ANSWER✔✔Low
resistance
What does a diode measuring low resistance in one direction and high resistance in the other
indicate? - CORRECT ANSWER✔✔Proper diode operation
What are the 3 main types of diodes? - CORRECT ANSWER✔✔Junction, zener, and LED
What does the bar represent on a diode symbol? - CORRECT ANSWER✔✔The negative side
Correct Answers
In a parallel LCR circuit, the voltage drop across the resistor is maximum when? - CORRECT
ANSWER✔✔At any frequency
What type of effect is created when energy is transferred back and forth between the inductor
and the capacitor? - CORRECT ANSWER✔✔Flywheel
When is total impedance of a parallel LCR circuit maximum? - CORRECT ANSWER✔✔At
resonant frequency
At resonance in a parallel circuit, what is current? - CORRECT ANSWER✔✔Minimum
How many different frequencies in an LCR circuit produce resonance? - CORRECT ANSWER✔✔1
Transformers operate on what principle? - CORRECT ANSWER✔✔Mutual inductance
In a diode, what type of material has holes? - CORRECT ANSWER✔✔P type
In a diode, what does the N type material contain? - CORRECT ANSWER✔✔free electrons
In a diode, in which direction do the holes appear to move? - CORRECT ANSWER✔✔Opposite of
electrons
, What is the effect on voltage drops in a changed value component in a series LCR component? -
CORRECT ANSWER✔✔All voltage drops measure incorrectly
A resonant circuit is one in which what occurs? - CORRECT ANSWER✔✔The capacitive reactance
equals the inductive reactance?
In a diode, what does the N indicate in the printed code? - CORRECT ANSWER✔✔A solid state
device
How is a battery connected to forward bias a diode? - CORRECT ANSWER✔✔The negative side
to the cathode, the positive side to the anode
What is the positive part of a diode called? - CORRECT ANSWER✔✔An anode
What is the negative part of a diode called? - CORRECT ANSWER✔✔The cathode
How the the primary characteristic of the diode be described as? - CORRECT
ANSWER✔✔Changing AC current to DC current flow
What do resistance readings for a shorted diode indicate? - CORRECT ANSWER✔✔Low
resistance
What does a diode measuring low resistance in one direction and high resistance in the other
indicate? - CORRECT ANSWER✔✔Proper diode operation
What are the 3 main types of diodes? - CORRECT ANSWER✔✔Junction, zener, and LED
What does the bar represent on a diode symbol? - CORRECT ANSWER✔✔The negative side
