In the 1800s, there were two different types of electricity that people used and develop. This ACDC electric stands for alternating current (AC) and direct current (DC). Both have their own unique set of benefits and drawbacks.

DC power was the first type of electricity that people used on a large scale. But, it wasn’t until the late 19th century that people began to use AC. But what exactly is the difference between the two?

What is Alternating Current?

Alternating current (AC) is an electric current that began in 1800 with the work of Michael Faraday. AC periodically reverses direction. This is in contrast to direct current (DC) which flows only in one direction. It is the form in which electric power is delivered to businesses and residences.

The usual waveform of an AC power circuit is a sine wave, although certain non-sinusoidal waveforms such as square waves and sawtooth waves are sometimes used in specific applications.

In an AC power system, there are two complementary quantities. The first one is the electric potential energy per unit charge between conductors (the voltage). The second one is the electric current flowing through conductors (the current). The ratio of these two quantities determines the impedance of the conductor.

The root mean square (RMS) value of the current or voltage determines the amount of required power supply to maintain a given level of output.

wires for installation, acdc electric
Photo by intrapixel on Unsplash

What is Direct Current?

Direct current (DC) is an electric current where the flow of electrons is only in one direction. It is contrary to alternating current (AC), where the direction of the current reverses periodically. DC is the kind of current that batteries, solar cells, and fuel cells produce.

For many applications, direct current is more convenient than alternating current. The direct current voltage can be easily controlled with a transistor, and it can be stored in capacitors and inductors. Direct current also flows more easily through solids than alternating current does. This is why many people use it for power distribution in houses, and also for electrical wiring.

Differences between Direct And Alternating Current

There are many differences between direct and alternating currents (DC and AC). For one, DC is a constant flow of electricity in one direction while AC is an oscillating current that reverses direction periodically.

Chemical means such as batteries can generate DC. On the other hand, mechanical means such as generators can generate AC. Finally, DC is more difficult to transmit over long distances than AC.

These three factors – direction of flow, generation method, and transmission feasibility – are the most significant differences between DC and AC.

Application of ACDC Electric

The most common application of AC current is for powering electrical devices and appliances. People can use AC current to power anything from small electronic devices to large industrial machines. Another common application of AC current is for lighting. Most homes and businesses use AC-powered light bulbs.

Meanwhile, you can use DC current in many applications. One common use is to power DC motors. These motors are found in a variety of devices. These include fans, pumps, and conveyor belts. You can also charge batteries using DC motors. One can do it with either a DC power source or an AC adapter that converts the AC current to DC.

Why Should You Use ACDC Electric?

If you’re wondering why you should use AC current rather than DC current, there are a few reasons. For one, AC is more efficient than DC in terms of power loss. AC also flows more easily through transformer coils, making it the preferred choice for long-distance transmission. Finally, AC is less likely to cause electrolysis in conductors than DC.

There are also many reasons to use DC current. One reason is that it is more efficient than AC current. One can easily control and regulate DC current. Additionally, DC current does not cause electromagnetic interference.

When it comes to your home, what should you use: AC or DC?

AC is the standard in the United States. However, DC is becoming more popular because it is more efficient.

There are a few things to consider when trying to determine if AC or DC power is right for your home. First, what kind of devices will you use? If you have a lot of electronics that require AC power, then it’s probably the best option for you. However, if you only have a few devices that need AC power, then DC might be the way to go.

Another thing to consider is the cost of installation. AC power can be more expensive to install than DC power. So, that’s something to keep in mind. Additionally, AC power requires more maintenance than DC power. That’s another factor to consider.

Ultimately, it’s up to you to decide which option is best for your home. The decision comes down to personal preference and what your needs are.

Can you use both AC and DC?

If you’re wondering whether you should have both DC and AC current in your home, the answer is most likely yes. Having both types of current provides greater flexibility in terms of powering your devices. DC current is often used for smaller electronic devices, while AC current is better suited for larger appliances. Plus, having both types of current can help to prevent power surges and brownouts.


AC and DC current are two types of electricity that serve different purposes. AC is used for long-distance transmission because it is more efficient, while DC is used for local power because it is less expensive. Both have their advantages and disadvantages, but they are both essential to our modern way of life.

If you have ACDC Electric problems, don’t hesitate to call Fullerton Electric Pro’s at 714-622-7784