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Why do I hear a high pitch sound when I Turn my Computer on?

Why do I hear a high pitch sound when I Turn my Computer on?

The problem is that, we hear a high pitch sound coming -presumably- from the inductor when we turn the system on. It appears that the sound is more noticeable when the circuit is drawing very small amounts of current. As the current demand increases, the sound usually becomes unnoticeable, but not always.

What makes a high pitched sound when light is turned on?

The fixture has five, 60-watt incandescent bulbs. When the control is anywhere between OFF and full ON he hears a high-pitched sound which is clearly generated by the light bulbs. The sound level goes down with the number of bulbs removed. Have you heard of this phenomenon? Dr. Dale Rummer, P.E. Mike Holt’s Comment:

Why do I hear a low pitched hum while driving?

While driving, you hear a low-pitched hum. As you accelerate, the noise gets louder—maybe it sounds like an airplane taking off—but after a certain speed the volume is consistent. When you make a turn, the noise gets louder; but if you turn the other way, it disappears. What it could mean: This is most likely a wheel bearing noise.

What is the whining, high pitch sound coming from the furnace?

IT WAS THE FLEX CONNECTOR. THANKS EVERYONE. My gas furnace makes a high-pitched whining sound when the burners turn on (when I can see fire). A repair man came and told me it may be that the “flex connector hose” that goes from the gas line to the furnace.

Why does my water make a high pitched noise?

High water pressure can also cause a high-pitched sound as it is rapidly forced through narrow pipes. Water pressure should be 60 psi (pounds per square inch) inside a home. If it’s higher, install a pressure reducer to stop the noise and prevent damage to other plumbing parts.

Why does my washing machine make a high pitched noise?

The washer screw may need to be tightened, or the washer replaced if it’s worn or damaged. High water pressure can also cause a high-pitched sound as it is rapidly forced through narrow pipes. Water pressure should be 60 psi (pounds per square inch) inside a home.

While driving, you hear a low-pitched hum. As you accelerate, the noise gets louder—maybe it sounds like an airplane taking off—but after a certain speed the volume is consistent. When you make a turn, the noise gets louder; but if you turn the other way, it disappears. What it could mean: This is most likely a wheel bearing noise.

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Ruth Doyle