Voltage Current Amps Explained
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Voltage is the difference in charge between two points.
Voltage current amps explained. Resistance is a material s tendency to resist the flow of charge current. The three basic principles for this tutorial can be explained using electrons or more specifically the charge they create. Voltage is measured in volts current is measured in amps and resistance is measured in ohms. Current is the rate at which charge is flowing.
The voltage v in volts v is equal to the square root of the power p in watts w times the resistance r in ohms ω. Watts would be the power volts x amps the water could provide think back to the old days when water was used to power mills. The voltage v in volts v is equal to the current i in amps a times the resistance r in ohms ω. Why are there so many.
So with this analogy in mind the definitions below for amp volt and watt should be easier to understand. Amp an ampere is the unit for measuring electricity. For example a current of 2a flowing through a bulb with a voltage of 12v across it generates 24w of power. Here v is the voltage i is the flow of current in amps and r is the resistance of the body.
What is voltage and what does it do. Rms voltage and current explained. A neat analogy to help understand these terms is a system of plumbing pipes. Why is your power bill in kilowatt hours and your battery bank in milliamp hours.
Current cannot flow without voltage. The voltage is equivalent to the water pressure. How to calculate with watts amps volts and ohms if you want to do an electrical calculation involving voltage current resistance or power reference the formulae circle below. What s the difference between a volt amp and watt.
V or volts or voltage. The water pressure would be the voltage. The voltage v in volts v is equal to the power p in watts w divided by the current i in amps a. Current is the effect voltage being the cause.
In this video we discuss how it work and its purpose to understand how electricity works. A or amps or amperage. 1 ampere 1 coulomb second. Voltage is the cause and current is its effect.
1 volt 1 joule coulomb.
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