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4A

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1.
1 point
complete the following sentence:
It is the voltage difference between the input terminals of an op amp that..
2.
1 point
complete the following sentence:
A microphone translates the movement of sound waves..
3.
1 point
which is the loudest noise in dBs?
4.
1 point
how do you say 'presa electrica a uso domestico' in English?
5.
1 point
physics is very difficult, but I ...................... began to understand
6.
1 point
complete the following sentence:
The componant at the heart of most amplifiers is....
7.
1 point
When was the first patent for an op-amp (operational amplifier) filed?
8.
1 point
how do you say 'segnale di uscita' in English?
9.
1 point
It's been a long year, but the holidays have................arrived
10.
1 point
complete the following sentence:
An early application of operational amplifiers was.....
11.
1 point
when I went to London I .................learnt English
12.
1 point
which word means a line marking the limit of an area?
13.
1 point
why are op-amps (operational amplifiers) called operational?
14.
1 point
which word means a regular form or sequence?
15.
1 point
what is the part of the speaker that vibrates to reproduce the original sound?
16.
1 point
these jeans are .................. Levis
17.
1 point
How many pins do op-amps (operational amplifiers) usually have?
18.
1 point
how do you say 'ingressi' in English?
19.
1 point
how do you say 'impedenza di entrata/di uscita' in English?
20.
1 point
what happens when the form of an electrical signal changes during an amplification?
21.
1 point
how do you say 'guadagno (dell'amplificatore) ad anello aperto' in English?
22.
1 point
This subject is ................
23.
1 point
Harry Black had the idea for op-amps in the 1930s. What was his job?
24.
1 point
which of the following are synonyms of 'to amplify'
25.
1 point
complete the following sentence:
Some amplication systems use a series of pre-amps to gradually....
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