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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

What is the difference between transformers and adapters?

A transformer is a component that changes AC current from one voltage to another. A transformer consists of two coils, one connected to the input, and one connected to the output. A transformer can convert voltage up or down, depending on the number of windings on the coil. An adapter MAY include a transformer to change the voltage, but an adapter usually changes the voltage AND converts from AC to DC as well, and may have a regulator that locks the voltage to prevent a surge and other components that prevent what is called "ripple".

How often do you clean solar panels?

PRN. (As required.) As solar panels get dirty or coated with other things that "block" incoming light, their efficiency goes down. Obviously. The good news is that a panel doesn't just "stop working" out of the blue because it wasn't cleaned. Its efficiency will just fall off gradually. Eyeball the units every week or two and make a call. There is no fixed interval because the local environments where they are put up vary from minor to heavily laden with dust or other airborne "junk" that can settle on the surface of the panel. Oh, and call a local solar company and ask some questions. They're the experts. And they want to share what they have learned, what they know.

How do you use picture in a sentence?

Umm... I don't really understand your question. Describe the picture, maybe.

Can a 2025 be used instead of a 2032 battery?

The voltage and diameter are the same.

The only difference is the thickness. You may have to adapt the battery holder.

What is bigger 2gb micro sd or 4gb m2?

A 4 gigabyte micro SD chip is larger in capacity than one with a 2 gigabyte capacity. Micro SD chips are used in smartphones and other small electronic devices.

What is the technological advancement that made it possible for computers to become as small as they are today?

The shopping list answer for this question includes - transistors, surface mounted componenets, Application Specific Intergrated Ciruits. and a small group of people who know the real meaning of small

How many ounces in a jig?

The closest match for jig, for something that holds fluid ounces, is a jigger. Most jiggers have two sides, with one side holding 1 ounce and the other holding 2 ounces.

How many thermal power stations are in Pakistan and give some details of those thermal power station?

Project

Date of Contract

Description

Date of Completion

Guddu Thermal Power Station Unit No.4, Pakistan (210MW, Oil-fired) 1983 Surveying, designing, manufacturing, supplying, installation, commissioning, personnel-training 1986.6 Jamshoro Thermal Power Station Unit No.2, Pakistan (210MW, Oil/gas-fired) 1987 Turn-key project 1989.12.3 Jamshoro Thermal Power Station Unit No.3, Pakistan (210MW, Oil/gas-fired) 1987 1990.6.7 Jamshoro Thermal Power Station Unit No.4, Pakistan (210MW, Oil/gas-fired) 1987 1991.1.21 Chittagong Thermal Power Station Unit No.1, Bangladesh (210MW, Gas-fired) 1989.11.17 1993.4.18 Muzaffargarh Thermal Power Station Unit No.5, Pakistan (210MW, Oil/gas-fired) 1991.9 1995.2.14 Muzaffargarh Thermal Power Station Unit No.6, Pakistan (210MW, Oil/gas-fired) 1991.9 1995.8.14 Muzaffargarh Thermal Power Station Unit No.4, Pakistan (320MW, Oil/gas-fired) 1993.5 1996.12 Chittagong Thermal Power Station Unit No.2, Bangladesh (210MW, Gas-fired) 1994.7 1997.7 Kuching Thermal Power Station Unit No.1, Malaysia (50MW, Coal-fired) 1994.11.22 1994.5.8 1997.7 Kuching Thermal Power Station Unit No.2, Malaysia (50MW, Coal-fired) 1994.11.22 1994.5.8 1997.9 Power Plant Air Cooling System, Iran 1996.7 Complete equipment for 14 sets of air cooling system 1999.12 Thermal Power Station Units 1 &2 (2×325MW), Azerbaijan, Iran 1997.3 Survey, design, manufacture, supply, supervision of installation, commissioning, testing, etc. Scheduled in Dec. 2002 Diesel Power Station 2×6600KW Ahead, Sudan 1998.3 Turn-key project Scheduled in Dec. 2002 Iraq Gas Turbine Generating Set (6x37MW) 1998.8 2000.8 Philippines Oil-fired Thermal Power Plant (2x15KW) 1997

How does one set a digital projection alarm clock?

Setting a digital projection alarm clock is best (most easily) done by referring to the owner's manual supplied with the unit. If it is unavailable, go to the manufacturer's web site and look under their customer support offerings or another "appropriate" heading to see if the owners manual can be viewed online. If any are still being sold in nearby stores, get over there and see if a demo unit (a unit that is open) has an owner's manual you can look at. Or, you could experiment. (It is noted that the make and model of the unit were not supplied. That limits the amount of help that can be offered.) Failing that, go to the source. Contacting the maufacturer is relatively easy. All the big one's have 1-800 support and email. Good luck.

How do you use a multimeter tester on dryer coils?

Generally, dryer coils either work or they don't. A multimeter can help you determine if a dryer coil is "burned out". If the coil has "continuity", it's probably fine. Generally, if there is a hot spot in the coil it will burn out rapidly.

What is a common mode amplifier?

I'm not sure there is such a thing as a "common mode amplifier". The common mode rejection ratio (CMRR) of a differential amplifier is very high, and is defined as the ratio of the differential amplification divided by the common mode amplification. The common mode amplification is what you get when both inputs are tied to the same signal. Ideally, this amplification will be zero, but in reality it ends up being some very small amount for well designed amplifiers.

This is a beneficial trait for audio equipment which use a positive, negative, and neutral connection (balanced cables, such as microphones). Noise signals will naturally couple to these cables. The assumption is these noise signals will couple nearly identically to both the positive and negative signal wires, so when applied to the amplifier, this common mode signal will not be amplified, while the desired signal (which is created so that the positive and negative signals are opposites) is amplified.

How do you detect location of caller?

Are you looking to detect the location of a caller on a cell phone or a land line phone? If you have the area code or country code you could search that number for starters.

Did you know that anyone can fake their caller ID number making it seem as if they are calling from anywhere they want? You should never rely on what the caller ID says for determining a callers location......for your own safety.

What is the legal power limit that ham radio operators must follow?

There are three classifications (Technician, General, and Extra) of ham radio operators. Depending upon the band or frequency they are operating on and license class, some bands only allow 25 to 100 watts of power. The maximum power that a ham can operate with is 1500 watts. This is controlled by the FCC. The FCC website has all the information about which bands and licenses are necessary.

When was the iron invented?

iron has actually always been around, people dug it up at various times, and scientists aren't sure who discovered it first although many want to credit themselves.
the iron age. about 100 years ad. but you should get the specifics

What color are satellites?

White. Irrespective of the money spent on paint and coatings, the light they reflect is pretty much white.

How do you wire a DPST switch?

A double pole single throw switch.

used to switch two lines at the same time.

How do you set or turn off DST on a Skyscan 38229-1?

SKYSCAN ATOMIC CLOCK model 38229-1

Clock may not reset automatically when after 'SPRING FORWARD' or 'FALL BACK' time changes.

How to Reset:

Unbend large paper clip and gently insert tip into 'RESET' hole on back of clock for two seconds. Then:

1. press "MODE" (it will show the alarm time)

2. press "ADJUST" (this will switch the time zone from PST to EST)

3. when it is on the desired time zone, press "MODE" to return to the clock.

Now place clock near window where southern exposure allows access to satellite. Icon for satellite access should activate (looks like a dish satellite). Allow several minutes for reset.

Advantages and disadvantages of speakers?

Improve the sound of computer or other device.

Take up a lot of room cost a lot and are easy to break

How do you do the PSP led light mod?

this will help you do exactly that just click this link: http://www.llamma.com/PSP/psp_led_lighted_trigger_buttons.htm or copy/paste to browser your welcome!!

When is Horrid Henry's birthday?

Horrid Henrys birhday is on 16th of February but im not sure what year he was born in

What is the perpouse of the radio?

The radio's purpose is for people who cant afford, or don't have Cd's, and they can listen to a very wide range of music for free.

How do you save your text messages on your lg shine using bitpim?

Check it out!!! i figured out how to save your texts from your phone to your computer! for all bitpim users of 1.0.7. Import your sms, select edit, select all, go to file print! There will be a tab that says save as an HTML select your location save and then view your txt, just make sure you click on the row at the top of bitpim (where your text messages are) if you want to store them by date of message sent, phone number of bitpim puts your text in alphabetical order from the txt messages! this is my contribution to all who are always searching for answers and have a difficult time finding them!

Tallcool1