8.2 Sains T5

Quiz
•
Other Sciences
•
11th Grade
•
Hard
Used 1K+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara komponen-komponen penerima radio berikut, yang manakah menukarkan isyarat frekuensi audio kepada gelombang bunyi?
Aerial
Pembesar suara
Litar talaan
Litar amplifier
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simbol komponen elektronik yang manakah menukarkan voltan arus ulang-alik dalam suatu litar?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut, yang manakah simbol bagi kapasitor?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Modulator dalam sistem komunikasi radio adalah untuk…
menjanakan frekuensi radio.
menggabungkan frekuensi radio dengan frekuensi audio.
menguatkan isyarat gelombang radio.
menghantar isyarat gelombang radio.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah di bawah menunjukkan sistem penerima radio ringkas. Antara bahagian A, B, C, atau D, yang manakah mengasingkan gelombang pembawa daripada gelombang bunyi?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara komponen elektronik yang berikut, manakah yang boleh mengubah arus ulang alik kepada arus terus?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah menunjukkan sistem penghantaran radio.
Which component generates radio waves?
Manakah komponen yang menjanakan gelombang radio?
Amplifier
Modulator
Pengayun
Mikrofon
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