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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

Does gravity depend on density?

Gravity does not depend on density. Gravity is the gravitational pull that is invisible and cannot be touched or changed. Density is how much matter is packed within an object, which can be changed. Gravity and density are two totally different things, and are in no way related, therefore gravity does not depend on density.

Where is the ecm located on a 99 Kia Sephia?

They are usually located either behind the dash on the passenger side or under the passenger seat. Best bet is just call a dealership and ask someone in the service dept before you go pulling the car apart

What are the advantages of a dry cell over a wet cell?

  • Wet cell: A since the liquid covers all internal parts, or wet cell battery has a liquid electrolyte. Other names are flooded cell vented cell since gases produced during operation can escape to the air. Wet cells were a precursor to dry cells and are commonly used as a learning tool for electrochemical. It is often built with common laboratory supplies, like beakers, for demonstrations of how electrochemical cells work. A particular type of wet cell known as a concentration cell is important in understanding corrosion. Wet cells may be primary cells (non-rechargeable) or secondary cells (rechargeable). Originally all practical primary batteries such as the Daniell cell were built as open-topped glass jar wet cells. Other primary wet cells are the Leclanche cell, Grove cell, Bunsen cell, Chronic acid cell, Clark cell and Weston cell. The Leclanche cell chemistry was adapted to the first dry cells. Wet cells are still used in and in industry for standby power for automobile batteries switchgear, telecommunication or large uninterpretable power supplies, but in many places batteries with gel cells have been used instead. These applications commonly use lead-acid or nickel-cadmium cells.
  • Dry cell: A dry cell has the electrolyte immobilized as a paste, with only enough moisture in the paste to allow current to flow. As opposed to a wet cell, the battery can be operated in any random position, and will not spill its electrolyte if inverted. While a dry cell's electrolyte is not truly completely free of moisture and must contain some moisture to function, it has the advantage of containing no sloshing liquid that might leak or drip out when inverted or handled roughly, making it highly suitable for small portable electric devices. By comparison, the first wet cells were typically fragile glass containers with lead rods hanging from the open top, and needed careful handling to avoid spillage. An inverted wet cell would leak, while a dry cell would not. Lead-acid batteries would not achieve the safety and portability of the dry cell, until the development of the gel battery. A common dry cell battery is the zinc-carbon battery, using a cell sometimes called the dry Leclanché cell, with a nominal voltage of 1.5 volts, the same nominal voltage as the alkaline battery (since both use the same zinc-manganese dioxide The makeup of a standard dry cell is a zinc anode (negative pole), usually in the form of a cylindrical pot, with a carbon cathode (positive pole) in the form of a central rod. The electrolyte is ammonium chloride in the form of a paste next to the zinc anode. The remaining space between the electrolyte and carbon cathode is taken up by a second paste consisting of ammonium chloride and manganese dioxide, the latter acting as a depolarize. In some more modern types of so called 'high power' batteries, the ammonium chloride has been replaced by zinc chloride.

When does jigglypuff evolve?

I think jigglypuff only evolves by using a moon stone on him. By using the moon stone jigglypuff evolves into wigglytuff. You can use the moon stone on him at whatever level.

If your home theater receiver has one optical audio and one coaxial audio input on it is there an adapter you can buy that will allow two devices to hook up to the same input?

AnswerOften a VCR or DVD will have an input as well as an output. Depending on the device, you can leave the input plugged in to your VCR, and plug the output into your home theater, giving you regular input when the VCR is not in use. When the VCR isn't turned on it's just a "pass through" device.

What was the name of Christopher Latham Sholes' keyboard?

Christopher latham sholes called his keyboard a QWERTY keyboard because it is the 6 letters on the third row of the keyboard

How do you pronounce the stress symbol in the stress and strain formula?

Different symbols are used but if you are referring to the greek symbol "σ", it is pronounced "sigma" (like stigma without the t).

How do you use GameShark for GBA Sp?

is there any speciall wires u need to 2 connect to the GS to work or u put ur game in the game shark and then connect to the GBA?

i just ordered mine and i was wondering hoew it exactly worked.... yea u just put the gs in ur gba the put in the game

How do you minimize of exposure to fluxfumes?

Fume hood...organic mask...a fan at the least to move air away from the worker.

What is the cost of running a desktop computer for one day in New Jersey?

The cost of running a desktop computer for one day in New Jersey depends on when it is turned on and off. The cost is usually about 10 dollars.

What was first method of recording television programmes?

It was called Cinescope. They put a cine camera in front of a TV monitor and filmed it! Perhaps kinescope is a preferred spelling. See: http://www.museum.tv/archives/etv/K/htmlK/kinescope/kinescope.htm

What are the types of payment methods?

cheques,money,credit cards, paypal,bankcards,giftcards,vouchers,direct debit, standing order, vax,chaps,money transferring order.

How electricity flows?

Electricity flows through wires. Negatively charged atoms will jump to positively charged atoms. They all jump really fast and it causes flow.

Electricity flows only in

A. An open circuit.

B. A closed circuit.

C. A magnet

D. An incomplete circuit

Will a bad capacitor shut down and restart after a few minutes?

The failure mode of a capacitor depends to some extent on it's construction. Ceramic capacitors can crack and go open circuit whereas large electrolytic capacitors can gradually fall in capacitance as they age and exhibit an increase in leakage current or they can fail suddenly and short circuit - particularly if they have been stressed by a higher working voltage than they are designed for. Tantalum bead capacitors in particular had a reputation for shorting out. In some circumstances, the rush of current can remove the short circuit making it appear to be OK. Damage such as this will be cumulative and the capacitor may exhibit warning signs such as fluctuations in capacitance and leakage current prior to breakdown but in most cases once a capacitor fails, it fails permanently and suddenly and should be replaced. Most things cannot be fixed by "turning them off and then on again" - in fact this is the kind of thing which is most likely to stress components and the most likely time for them to fail.

Dave Baxter BSc Electronic Engineering

What is function of closed-core transformer?

Closed-core and shell-core transformer (1885) The development of the electrical industry was hindered by the fact that the dynamo could only supply electricity trouble-free to short distances; to longer distances a large portion of electric energy got "lost" through overheated cables. The electrical engineers of that period were well aware that cheap electrical transmission could only be achieved by increasing the voltage. However, the experiments with DC (direct current) constantly ended in failure. Between 1884 and 1885 three engineers at the Ganz factory, Ottó Titusz Bláthy, Miksa Déri and Károly Zipernowsky developed a new current distribution system based on the use of the induction apparatus called transformer. Their joint patent described a transformer with no poles and comprised two versions of it, the "closed-core transformer" and the "shell-core transformer." In the closed-core transformer the iron core is a closed ring around which the two coils are arranged uniformly. In the shell type transformer, the copper induction cables are passed through the core. The core consists of iron cables or plates. Based on this invention, it became possible to provide economical and cheap lighting for industry and households.

Where can you buy a resistor?

Your local Radio Shack can offer you a small selection of resisters. Newark Electronics has a very large selection of resisters and other electronic components that you can order. Do a web search on it for more information. Various electrical repair shops can sometimes help you get what you need.