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In DC power the voltage is constant, meaning that over time it is always the same number. In AC power, the voltage varies sinusoidally, meaning that over time the voltage travels smoothly from a positive "peak" to a exactly inverse negative "peak" and back again infinitely. AC power comes out of your wall sockets, but most things us DC power. Thus, many power cables have that big ugly box on them. That box converts the AC power from your wall socket in to DC power for your electronics.
What else can I help you with?
What are the advantages of AC and DC electricity?
AC electricity will not dissipate in charge traveling along a wire for up to hundreds of miles whereas DC dissapates at about 2 miles at its best. DC is simple and easy, the simplist electrical cirtuit possable.
Does a light switch produce AC or DC electric currents?
Alternating (AC) and direct (DC) currents are different forms of electricity. It is universal nowadays to have AC in all houses because the electricity grid distribution system is all AC. DC was used by Edison and continued for some years but is now discontinued. It is still used in vehicles where 12 V DC is the normal system. A light switch simply interrupts the current or makes the circuit as required, and both AC and DC need to have switches.
Do phones use ac or dc?
Some devices operate on AC and others on DC. Generally, anything that uses mains electricity (120V US, 240V UK) is using AC electricity and things that use batteries or are rechargable like cell phones, ipods, personal CD, use DC electricity.
Kinds of elictricity?
There are two main types of electricity: direct current (DC) and alternating current (AC). DC flows in one direction and is commonly used in batteries and electronics. AC changes direction periodically and is used in homes and businesses for powering appliances and lighting.
Which apparatus changes a direct current to alternating current?
An inverter is the apparatus that changes direct current (DC) to alternating current (AC). It does this by converting the fixed voltage and direction of DC electricity into an oscillating voltage and alternating direction of AC electricity.
Is electricity AC Or DC currant which one?
Electricity or rather electric currant can be either AC or DC. AC means alternating current (as in that electricity that is supplied by the mains) and DC means direct current (as in that electricity supplied by a battery)..
Car electricity uses ac or DC?
DC
Which choice defines AC and DC correctly?
Choice of electricity defines ac and dc
What doaes ac DC stand for?
The two forms of Electricity are AC and DC. AC Stands for Alernating Current and DC stands for Direct Current. AC electricity comes out of the Powerpoint that your computer is probably using and DC electricity is used in 5.1 voltage batteries that probably power your flashlight or toy.
Is the electricity from batteries AC or DC?
Direct current
Is New Zealand mains electricity AC or DC?
AC 220/240 volts
Is ac-DC good?
acdc is the best freakin' band ever!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!but if your talkin about electricity that's good to
How do diods convert AC electricity to DC electricity?
by blocking current flow in one direction
How do diodes converts ac electricity to dc electricity?
by blocking current flow in one direction
Is it diesel generators is DC or AC generators?
Most diesel generators are designed to produce alternating current (AC) electricity. However, there are some diesel generators that can also produce direct current (DC) electricity with the help of rectifiers or inverters.
What are the advantages of AC and DC electricity?
AC electricity will not dissipate in charge traveling along a wire for up to hundreds of miles whereas DC dissapates at about 2 miles at its best. DC is simple and easy, the simplist electrical cirtuit possable.
Why DC electricity does not have poly phase?
There is no such thing as phase in DC as phase requires AC. To have two or more things out of phase requires them to be changing. Only AC does that. DC is steady state.
