0
The sounds are caused by the oscillations of the frequency changing from positive to negative when voltage is applied to electrical equipment.
See related links below.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
What has the author James Ross Cameron written?
James Ross Cameron has written: 'Servicing sound equipment' -- subject(s): Equipment and supplies, Silent films, Sound, Radio, Electricity, Television 'Sound motion pictures' -- subject(s): Sound, Silent films, Equipment and supplies 'Motion picture projection and sound pictures' -- subject(s): Sound, Equipment and supplies, Motion pictures, Sound motion pictures, Motion picture projection, Silent films 'Servicing motion picture sound equipment' -- subject(s): Silent films
Should a 50-inch LCD TV be making a humming noise?
Some of the larger TV's are DISH ready, meaning that they have the tuner inside for SAT TV. The SAT tuners often have an internal fan that makes a humming noise. If it sounds like something other than that, you might have a bad component in your sound circuit that allows 60 HZ hum through the speakers. If it is a rear projection LCG TV it has a fan in it to cool the bulb. You will hear the fan if you listen closely. It usually cannot be heard over the volume. i think the fluorencent bulb and electronics inside make humming sound naturally. Kinda like when you turn on a lamp, and some lamps make a low humming sound. Another thought. A low hum with no sound on in an LCD flat panel TV, if not a fan sound which you can hear the speed pick up as you turn it on, can be a transformer or coil hum that may be normal, but the level of the sound might indicate the panel itself is the cause. Too difficult to express the actual level that is not a concern. If it's anoyingly loud, have it checked by a professional. Hint, lower the following adjustments to aid in diagnosing. Brightness, contrast or Picture, and backlight, if it has that feature. Pick an unused port with no information showing to see if it is there too. This helps a tech to understand more. Also if noise is more noticeable on one side of the TV.
What are 3 figurative language examples in code orange?
Foreshadowing- "To Mitty Blake this had no meaning, but a virus uses every moment to double and double again." Onomatopoeia- "There was a humming sound." Foreshadowing- "Eighty-four percent of smallpox patients experience intense shivering."
What happens to electricity pylons in the summer?
Usually in summers due to high temperatures conductors became lengthy due to it pylon has to sustain more pressure of conductor weight and hot windy conditions thus there will be more vibration and humming sound in pylon can be visible.
How do you produce electricity with the help of sound in a simple way at home?
The easiest way is by use of a microphone. Another way is with an electric guitar pickup.
What causes a humming sound?
A humming bird
Humming sound from rear of car?
Electric fuel pump
What causes humming sound in ear?
I have a whirring sound in my ears Can you tell me what is causing it?
Why your 2001 sierra 1500hd have a humming sound?
You are probley hearing the electric fuel pump.
What causes the humming sound in your Chevy 2005 Trailblazer when I accelerate?
There could be a few things that can cause this humming sound. It could be the wheel bearings rubbing, it could be the gears rubbing, it could even be coming from the engine pistons.?æ
What causes a humming sound when you put on the gas to drive your car?
Check transmission fluid and power steering fluid.
Why is new fuel pump making a humming noise?
Electric fuel pumps can be expected to make a humming noise because they have an electric motor inside them. Excessively loud humming can predict impending failure. You should compare the sound to other cars of the same make and model. If the noise is significantly louder, it is time to be saving up for a repair. A trusted technician would really be a good resource for you...a good tech can tell a lot from the sound.
What is the word meaning a low humming sound?
The word is droning. It means to make a continuous low humming sound.
What causes a humming sound not from the engine when speed reaches between say 45 to 65 mph?
Sounds like a wheel bearing.
What is the brief periodic humming sound your Toyota Tacoma makes when it is not running?
Either an electric fuel pump or an engine cooling fan. Either an electric fuel pump or an engine cooling fan.
What causes the sound when you get shocked?
The air rushing away from the electric flow.
What is a rhythmic humming sound?
purring?
