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Consumer Electronics

Ask questions here about the electronics you use every day: from phones and computers to kitchen appliances and radios.

4,952 Questions

How much is it to fix beat headphones?

very expensive check out check out cheapphonecases.com for cheap headphones

How do you estimate proximate composition of fish?

proximate composition of fish include moisture, protein, fat, ash.moisture is estimated by oven method, protein by kjeldahl method, fat by soxhlet method ash by calcination method in the muffle furnace.

How do you use oak's letter?

if you ok have the oak's letter fly to the Pokemon league and go to the victory road go to one cave and help a girl for find the of the cave you is on route 224! go go go and find one big gray rock if you have the item you the way will be more big and you is on flower paradise and you can find SHAYMIN here!! She will be on level 30!

here see! the first image it's bad, sorry!!

Do the clocks get turned back or forwards at the end of Daylight Saving Time?

Clocks get turned BACK one hour - an easy way to remember this operation is "Spring Forward, Fall Back."

What is a dead zone?

A dead zone in an read that is between cell phone towers. It is usually located where there are no overlapping towers. Areas between tall buildings and mountains can also be dead zones.

Is it worth fixing an iron that keeps blowing fuses in your house?

It may not be the iron that is the problem. It might be what else is on that same circuit that you plug the iron into. To check the problem out, unscrew the fuse and see what else on the circuit shuts off. If there are any loads that can be unplugged do so. Then try the iron again and see if the fuse blows. Try the iron in another plug from a different circuit, if a different fuse blows then its time to get a new iron.

What are the key properties of a semiconductor memory?

-Misnamed as all semiconductor memory is random access

-Read/Write

-Volatile

-Temporary storage

-Static or dynamic

What is the effective value of 200 volts peak-to-peak?

200 volts peak-to-peak is 100 volts peak, which is 70.7 volts rms (standing for root-mean-square) also called "effective". This 70.7 volts is the DC voltage with the same heating power as the peak-to-peak. The relationship is: rms (aka RMS) equals peak-to-peak divided by 2, then divided again by square-root of 2 (1.414). The division by 2 gets us from peak-to-peak to just peak. The next division takes us to rms. If you get an AC voltrage with no description, for exmple 120 volts AC, it is RMS (effective). The USA AC standard supply voltage is 120 (also called 117) volts RMS. The USA peak is 117 x 1.414 (square root of 2) = 165 volts peak, = 330 volts peak-to-peak.

How do you get your trunk to close when the electronic motor goes out on a 1990 Oldsmobile 98?

We took the electric unit out of the trunk, disassembled it and wound the screw jack to the position needed to keep the trunk closed. This took a couple of times to get it right. We left the unit unplugged and now it operates as a regular, non-self-closing trunk. The electric release still works fine.

What do battries look like?

like a small round tube covered with a coverage so you won't get shocked

How does ballast work?

Firstly, there are a few meanings for the word ballast, and they are used in different contexts.

In an electrical context:

Electrically, It adds resistance to limit the current. In a fluorescent light fitting, the ballast adds resistance. Once the lamp conducts, it presents a very low resistance to the circuit and would draw too much current. The ballast coil also has reactance and provides a back emf pulse, to enable the lamp to fire (conduct) when it is interrupted by the starter.

In an a shipping context:

Ballast is used in ships and submarines (both new and old) to provide stability to the vessel within the water. Normally the trim of a boat in the water will differ whether it carrying a cargo or not, if the ship is lighter and higher in the water it is more inclined to roll from side to side in heavy weather. In order to prevent this ballast tanks are used in ships, these are then filled with seawater in to make the ship heavier (lower) in the water and less prone to tilting. Before the ship takes on cargo the tanks are pumped out making the boat "ride" higher in the water. Earlier wooden vessels also used ballast, but would use stones, rock or bricks for this purpose.

In submarines, ballast tanks are flooded with water or purged using compressed air in order to maintain neutral buoyancy, or to allow the submarine to ascend or descend.

In hydraulics/ irrigation terms:

Ballast tanks (sometimes called buffer tanks) are used in irrigation and plumbing systems to provide a buffer between supply and demand systems. A simple example of this is the water tank of your toilet. The system, when flushing requires a fairly substantial amount of water, the mains water supply of a typical house does not have this volume all at once, so the water is stored in a small ballast tank. When you press the flusher a larger volume of water that can normally be supplied by the house water supply is release - giving you a clean bowl.

What is more important - resolution or dynamic contrast ratio?

most of the cases the resolution is important when it comes to large screens contrast ratio matters!! i mean lik the very large plasma displays!!

Where do you have a 40 year old Hobart N-50 mixer repaired in the Chicago north-side area?

i'd call Hobart....i'm sure they'd be interested in anything of theirs that is still around after 40 years.