Q.
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1.
A buzzer or beeper is an audio signalling device, which may be mechanical, electromechanical, or piezoelectric.
Answered by jameel ahmed, 05 Feb 05:09 pm
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2.
Anything which indicates something by making a soft sound and vibration is called a buzzer
Answered by arun mishra, 05 Feb 04:48 pm
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3.
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5.
A buzzer or beeper is an audio signalling device, which may be mechanical, electromechanical, or piezoelectric.
Answered by iqbal seth, 05 Feb 06:09 pm
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6.
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7.
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