Alternating current LR current

Thread starter FARADAY JR
Start date Mar 31, 2010
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Alternating current Current

In summary, alternating current (AC) is an electrical current that periodically changes direction and is commonly used in homes and businesses. The main difference between AC and direct current (DC) is the direction of flow, with AC periodically reversing and DC flowing in one direction. AC is produced by an alternator, which converts mechanical energy into electrical energy, and can also be referred to as LR current. Some advantages of AC over DC include its efficiency for long-distance transmission, the ability to easily convert voltages, and its ability to power multiple devices at once. AC is also easier to generate and can be produced at higher voltages, making it suitable for powering large appliances and machinery.

Mar 31, 2010

FARADAY JR

Homework Statement

for a generator in a series alternating current circuit, the phase relationship between the generator voltage and current in the generator is?

Homework Equations

N/A

The Attempt at a Solution

the current is at some angle theta relative to the voltage.

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Mar 31, 2010

Mindscrape

as much help as work shown

Z_L=jwL

FAQ: Alternating current LR current

What is alternating current (AC)?

Alternating current (AC) is a type of electrical current that periodically reverses direction. It is commonly used in homes and businesses to power appliances and lighting fixtures.

What is the difference between alternating current and direct current?

The main difference between alternating current and direct current (DC) is the direction of flow. In AC, the current periodically reverses direction, while in DC, it flows in only one direction. Additionally, AC is typically used for long-distance transmission, while DC is used for shorter distances and in electronic devices.

How is alternating current produced?

Alternating current is produced by a device called an alternator, which converts mechanical energy into electrical energy. The alternator uses a rotating magnetic field to generate an alternating current in its stator winding.

What is LR current?

LR current is a type of alternating current that is characterized by its inductance (L) and resistance (R). This type of current is commonly used in electronic circuits and can also be referred to as low-frequency AC.

What are the advantages of alternating current over direct current?

Alternating current has several advantages over direct current. It is more efficient for long-distance transmission, can be easily converted to different voltages using transformers, and can power multiple devices at once. Additionally, AC is easier to generate and can be produced at higher voltages, making it more suitable for powering large appliances and machinery.