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Amplifiers

7 terms·StudBud Administration·40 plays

Do you know enough about amplifiers? Try this with different types of #amplifiers and how #sound is amplified and #op-amps in details.

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Questions 7

Answers

1
What produces more SPL (Sound Pressure Level)
leaves rustling
stun grenade
rifle
Kiss concert
2
The component at the heart of an amplifier is...
the transistor
the speaker cone
the microphone
the diode
3
Which problem did the "negative feedback" solve?
It solved voltage changes at the output
It solved lack of power
It boosted energy efficiency
It solved poor sound quality
4
Operational amplifiers must have at least ...
five pins
eight pins
seven pins
four pins
5
The input signal load is...
to modify the output signal by applying a varying resistance
to produce a little distortion
to produce a small current and generate a new output signal
to move electrons from the emitter to the collector
6
Which rock band had an enormous sound system called "Wall of sound"
Beatles
Grateful Dead
Simple Plan
Metallica
7
Op-amps are called "operational" because one of their early applications was doing...
analog operations in digital computers
mathematical operations in analog computers
mathematical operations in digital computers
digital operations in analog computers