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- 1. Multiple Choice
An audio amplifier has a frequency ......................................... from below 20 Hertz to over 20,000 Hertz.
amplitude
range
boost
- 2. Multiple Choice
With ..................................... amplification, the output of one amplifier is fed into a second, whose output is fed to third and so on.
broadcast
compressed
multistage
- 3. Multiple Choice
The quality of an amplifier depends on several factors, including freedom from ................................................. .
resistance
tolerances
distortion
- 4. Multiple Choice
Using encoding software, data can be .................................... so that it occupies less space in memory.
shown
compressed
given away
- 5. Multiple Choice
Carrier signals are used to ...................... radio and television programmes.
boost
translate
broadcast
- 6. Multiple Choice
Amplifiers take the weak electrical current from a radio antenna and .............................. it so that audible sound emerges from the loudspeaker.
boost
compress
transform
- 7. Multiple Choice
Electronic circuits are used for ................................. in telephone networks.
switching
carrying
boosting
- 8. Multiple Choice
A pendulum is a simple mechanical oscillator that swings with a constant ................................................. .
tolerance
switching
amplitude
- 9. Multiple Choice
In an amplifier the stronger current copies the waveform ................................................. of the weaker current.
pattern
signal
effect
- 10. Multiple Choice
The ............................ of a device represent the maximum amount that it can deviate from a standard without getting damaged.
tolerances
features
amount
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