what is the difference between voltage and amperage?
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Voltage vs. Amperage. Voltage and amperage are two measures of electrical current or flow of electrons. Voltage is a measure of the pressure that allows electrons to flow, while amperage is a measure of the volume of electrons.
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A volt-ampere (VA) is the unit used for the apparent power in an electrical circuit. Volt-amperes are useful only in the context of alternating current (AC) circuits. This tool converts volt-ampere to watts (va to w) and vice versa. 1 volt-ampere = 1 watts.
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So say 120 Volts x 20 amps, is 2,400 Watts. Amperes are units of current. Volts are a measure of voltage.
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To convert amps to volts we can use a simple formula defined by Watt's Law. Per Watt's Law, voltage is equal to power divided by current. For example, let's find the voltage of a device that uses 120 watts of power with a current of 10 amps.
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Voltage is the difference in charge between two points. Current is the rate at which charge is flowing.
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Answer and Explanation: The relationship between amperage, voltage, and power is that power equals the amperage quantity times the amount of voltage.
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Voltage and Potential difference are two words that refer to the same thing, a difference between two points. Potential Difference is the amount of work done in moving a unit of charge from one point to another. Voltage is the electromotive force difference between two charges.
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Volts is a measure of how much force that each electron is under, which we call "potential". Power (watts) is volts times amps. A few electrons under a lot of potential can supply a lot of power, or a lot of electrons at a low potential can supply the same power. Think of water in a hose.
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Watts vs. VA: What's the Difference Anyway? ... Watts is the real power drawn by the equipment, while volt-amps are called the “apparent power” and are the product of the voltage applied to the equipment times the current drawn by the equipment.
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Amps would be the volume of water flowing through the pipe. The water pressure would be the voltage. 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). ... Amp – an ampere is the unit for measuring electricity.
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Voltage and amperage are two measures of electrical current or flow of electrons. Voltage is a measure of the pressure that allows electrons to flow, while amperage is a measure of the volume of electrons.
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The three most basic units in electricity are voltage (V), current (I, uppercase "i") and resistance (R). Voltage is measured in volts, current is measured in amps and resistance is measured in ohms. A neat analogy to help understand these terms is a system of plumbing pipes.
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DC Amps and AC amps are the exact same thing, they are the measurement of electrons past a given point, the difference is that the electrons of AC go back and forth (alternating) and DC go only in one direction (direct).
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Voltage is measured in volts, current is measured in amps and resistance is measured in ohms. A neat analogy to help understand these terms is a system of plumbing pipes. ... It says that the current is equal to the voltage divided by the resistance or I = V/R. This is known as Ohm's law.
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Voltage or Potential is a measure of the electric potential energy between two points. Current is a measure of the flow of charge between two points separated by a potential difference. ... The potential difference is the difference in water pressure between your input and output (or the height of the water column).
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So amps measures or indicates the maximum time a tool can continuously run without exceeding the temperature limits. Amps basically measure how effectively the motor cools itself, not how much power it has. With this in mind, more amps can be good because motors will run longer and won't heat up as fast.
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Ohm's law formula The resistor's current I in amps (A) is equal to the resistor's voltage V in volts (V) divided by the resistance R in ohms (Ω): V is the voltage drop of the resistor, measured in Volts (V). In some cases Ohm's law uses the letter E to represent voltage.