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A modern educational theme showcasing various electronic components like diodes, amplifiers, and motors in a vibrant classroom setting, with elements of technology and learning.

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

35 Questions9 MinutesCreated by WiringWizard321

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

180

270

360

Name 1 application where class A amplifier(s) is used (type answer in lower case)

Class B amplifiers has a base current of?

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

What side effect does class AB overcome from class B operation?

Class C amplifier collector current flows for ___ than one half cycle of the input signal

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

Arrange from high fidelity (top) to low fidelity (bottom)

Class A

Class AB

Class B/C

Arrange from high efficiency (top) to low efficiency (bottom)

Class C

Class AB

Class B

Class A

What determines the direction of the motor shaft in an AC system?

What determines the direction of the motor shaft in an DC system?

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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Electronics and Amplifiers Quiz

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