The main difference between alternating current (AC) and direct current (DC) is the direction in which the electric charge flows.
In direct current (DC), the electric charge flows in only one direction. This means that the voltage and current remain constant in magnitude and direction over time. Examples of sources of DC are batteries and electronic power supplies. DC is commonly used in electronic devices such as laptops, smartphones, and other portable devices.
In alternating current (AC), the electric charge changes direction periodically. This means that the voltage and current vary in magnitude and direction over time. The voltage and current change their direction and magnitude in a sinusoidal pattern, with a frequency that depends on the source. AC is commonly used in power distribution systems, such as the electrical grid that delivers electricity to homes and businesses.
Another important difference between AC and DC is the way they are produced. AC can be generated easily using devices called alternators, which convert mechanical energy into electrical energy. DC, on the other hand, requires a more complex process, such as rectification, to convert AC to DC.
In summary, the main differences between AC and DC are the direction of the electric charge flow, the way they are produced, and their applications. AC is used for power distribution, while DC is used mainly in electronic devices and batteries.
The main difference between alternating current (AC) and direct current (DC) is the direction of the flow of electric charge. In DC, the flow of electric charge is in one direction only, while in AC, the flow of electric charge alternates periodically between two directions.
Explanation:
Direct Current (DC):
Direct current is the flow of electric charge in only one direction.
DC is used in batteries, electronic devices, and most electronic circuits.
The voltage in a DC circuit is constant and does not change over time.
DC is relatively easy to produce and transmit over short distances, but it is not efficient for long-distance transmission.
Alternating Current (AC):
Alternating current is the flow of electric charge that alternates periodically between two directions.
AC is used in power distribution systems to transmit electrical energy over long distances.
The voltage in an AC circuit varies periodically with time, following a sine wave pattern.
AC can be generated easily using transformers, which can step up or step down the voltage as needed for transmission and distribution.
Overall, the key difference between AC and DC is that AC alternates periodically between two directions, while DC flows in only one direction. This fundamental difference has important implications for the use and transmission of electrical energy.
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Answer:
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Explanation:
The main difference between alternating current (AC) and direct current (DC) is the direction in which the electric charge flows.
In direct current (DC), the electric charge flows in only one direction. This means that the voltage and current remain constant in magnitude and direction over time. Examples of sources of DC are batteries and electronic power supplies. DC is commonly used in electronic devices such as laptops, smartphones, and other portable devices.
In alternating current (AC), the electric charge changes direction periodically. This means that the voltage and current vary in magnitude and direction over time. The voltage and current change their direction and magnitude in a sinusoidal pattern, with a frequency that depends on the source. AC is commonly used in power distribution systems, such as the electrical grid that delivers electricity to homes and businesses.
Another important difference between AC and DC is the way they are produced. AC can be generated easily using devices called alternators, which convert mechanical energy into electrical energy. DC, on the other hand, requires a more complex process, such as rectification, to convert AC to DC.
In summary, the main differences between AC and DC are the direction of the electric charge flow, the way they are produced, and their applications. AC is used for power distribution, while DC is used mainly in electronic devices and batteries.
Verified answer
Answer:
The main difference between alternating current (AC) and direct current (DC) is the direction of the flow of electric charge. In DC, the flow of electric charge is in one direction only, while in AC, the flow of electric charge alternates periodically between two directions.
Explanation:
Direct Current (DC):
Direct current is the flow of electric charge in only one direction.
DC is used in batteries, electronic devices, and most electronic circuits.
The voltage in a DC circuit is constant and does not change over time.
DC is relatively easy to produce and transmit over short distances, but it is not efficient for long-distance transmission.
Alternating Current (AC):
Alternating current is the flow of electric charge that alternates periodically between two directions.
AC is used in power distribution systems to transmit electrical energy over long distances.
The voltage in an AC circuit varies periodically with time, following a sine wave pattern.
AC can be generated easily using transformers, which can step up or step down the voltage as needed for transmission and distribution.
Overall, the key difference between AC and DC is that AC alternates periodically between two directions, while DC flows in only one direction. This fundamental difference has important implications for the use and transmission of electrical energy.