24/02
Electronics and Amplifiers Quiz
Test your knowledge of electronic components and amplifier classes with our engaging quiz! This quiz covers various topics related to diodes, amplifiers, motors, and control units.
- 35 challenging questions
- Multiple choice, text, and checkboxes formats
- Designed for electronics enthusiasts and students
What happen when there is an increase in temperature on a diode?
Decrease diode resistance
Higher output
Increased thermal activity
Cut-off
Output of an class A amplifiers are ____ degrees out of phase with the input
90
180
270
360
Class B amplifiers has a base current of?
0
1
Depend on source
The forward bias voltage of a AB class amplifier is?
More than the peak value of input signal
Less than the peak value of input signal
Equal to the peak value of the input signal
Class C amplifier collector current flows for ___ than one half cycle of the input signal
More
Less
Equal
What are 2 primary items that determine the class of operation of an ampilifer?
Amount of bias
Amount of current flow
Amplitude of input signal
Operating power
Define fidelity
The bit rate of a signal
The faithful reproduction of a signal
The amplitude of distortion
Error signal is proportional in _______ to the amount the CT rotor is out of correspondence with the CX rotor
Polarity
Phase
Current
Amplitude
DC servo system suffers from?
Drift
Distortion
Cancer
Misalightment
Drift is caused by?
Voltage
Current
Temperature
Amplitude
Function of a demodulator?
Convert AC>DC
Convert DC>AC
Function of a modulator?
Convert AC>DC
Convert DC>AC
Units hum at all TX settings. One unit overheats TR follows smoothly but reads wrong values
Rotor circuit open or shorted.
Stator circuit shorted.
Stator circuit open.
Unit not zeroed and synchro aligning to a false nul
TR reads wrong or turns backward, follows TX smoothly.
Rotor circuit open or shorted.
Stator circuit shorted.
Stator circuit open.
Unit not zeroed and synchro aligning to a false nul
Tachometer is used to sense
Torque
Velocity
Magnetic field
Weight
The DC rate generator usually excited by a?
Constant DC supply
Permanent magnetic field
Constant AC supply
Electromagnetic field
The AC rate generator usually excited by a?
Constant DC supply
Permanent magnetic field
Constant AC supply
Electromagnetic field
Which type of motor is used in a low torque (light) job?
AC motor
DC motor
Which type of DC motor is used of heavy loads?
Permanent magnet type
Shunt field type
Delta type
Star type
What determines the direction and speed of a DC motor?
Stator current
Armature current
Rotor current
What can be attached between the cpu and main memory to prevent mismatch in operating speed?
Random access memory
Static RAM
Dynamic RAM
Cache memory
Which instructions in the control unit helps combine 2 pieces of data?
Transfer
Arithmetic
Logic
Control
Which instructions in the control unit sends commands to input/output devices?
Transfer
Arithmetic
Logic
Control
What method of multiplexing is this
Frequency division multiplexing
Time division multiplexing
What circuit symbol is this?
Multiplexer
Demultiplexer
Solder resist prevents ____ between conductors
Sparks
Burns
Arcing
Bridging
ADS-B range is?
110km
150km
160km
>160km
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