questionedithistorytranslations

Which device converts an acoustic wave into an electrical signal?

Headphones
Loudspeaker
Microphone
Amplifier
A microphone, colloquially nicknamed mic or mike is a transducer that converts sound into an electrical signal. Microphones typically need to be connected to a preamplifier before the signal can be recorded or reproduced.
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Answers by country

Headphones
Loudspeaker
Microphone
Amplifier
answers
flagthe Netherlands
3%
11%
80%
0%
26
flagGhana
0%
0%
70%
20%
10
flagCanada
4%
4%
66%
20%
24
flagSwitzerland
7%
15%
65%
10%
38
flagGermany
8%
11%
61%
17%
408
flagPoland
9%
11%
55%
22%
10936
flagAustria
10%
17%
55%
16%
93
flagthe United Kingdom
8%
11%
54%
24%
85
flagGreece
25%
8%
50%
16%
24
flagItaly
0%
16%
50%
33%
12
flagIndia
18%
7%
46%
24%
502
flagAustralia
25%
10%
46%
14%
28
flagPakistan
0%
0%
44%
55%
18
flagthe United States
21%
6%
42%
26%
152
flagthe Philippines
12%
12%
42%
33%
33
flagNigeria
16%
8%
41%
33%
12
flagMalaysia
10%
0%
40%
40%
10
flagRepublic of Ireland
30%
23%
38%
7%
13
flagSouth Africa
10%
10%
20%
40%
10

Does the candle burn more or less violently in zero gravity?

more violently
about the same
less violently
nobody knows

Which area is brighter?

A
B
Both are the same
It depends on the order of seeing

How many dots at the intersections are black?

10%
25%
50%
None

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cumulus
cumulonimbus
cirrus