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Q: Why Buzzer only makes noise when the loop toches the wire?
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What is the name of the game where there is a wavy line of metal and when any other metal contacts it a buzzer buzzes?

wire loop game


How would you connect a mini momentary pushbutton switch and a 12VDC backup buzzer using only one 9 volt battery?

Simply connect all three items in series. When the pushbutton switch is momentarily depressed, current flows in the loop. Since the 'power supply' is 25% short of the buzzer's rated operating voltage, the buzzer may or may not sound.


What is an animation loop?

a loop of an animation or when at the end, it repeats on forever or until program makes it stop. until that point( if there in a point) it's on a loop


When a microphone gets too close to it's speaker why does it screech?

because the sound is being amplified so many times in a loop the speaker drivers move so fast it makes a high pitched noise


Is there any rule that if I use an If in a loop then i cant use that if in another loop?

If your question makes sense at all, and it is about programming, then the answer is no.


What is the effect of the feed back on the performance of the control system?

Feedback is mainly desired for increased stability. An open loop system is very much prone to system parameter changes as well as to the environmental noise and other changes. On the other hand a feedback loop makes system insensitive and thus robust. Regards Farhan Shahid


What makes closed-loop op amp unstable?

A: It does not. The loop becomes unstable ONLY if there is positive feedback either voltage or phase. For a close loop to be stable negative feedback is required.


When electric currents runs through a loop of wire it makes and what?

insulator


Why does the amp make noise when you get too close?

It's called feedback. The microphone causes a loop, what is coming out if the amp is being asorbed by the mic, sent back to the amp and projected again. The loop causes a squeal.


Where the phased locked loop is used?

Phase lock loop is used in analog and digital communications to keep the phase of the output signal the same as the input signal.


When the electric current runs through the wire loop of a motor it makes a?

Circuit


Why Positive Feedback can't use in Amplifier?

because +feedback amplify noise also.it amplify the noise to input ratio by[1/(1-G.H)]. WHERE g=open loop gain H=feedback gain