# How to Calculate Theory Voltage?

In theory, the product of a system's voltage and current is its power rating. In practice, the voltage acting on the system will be slightly more than this relationship suggests. Some electric ener... Read More »
http://www.ehow.com/how_8516451_calculate-theory-voltage.html

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## How to Calculate LED Voltage?

Learn to calculate the voltage of a light emitting diode (LED) to test for a malfunction. A LED acts as a current valve in a circuit, only letting electricity flow in one direction. When electricit... Read More »
http://www.ehow.com/how_8494269_calculate-led-voltage.html

## How to Calculate Voltage?

Calculating volts or voltage is easiest by using Ohm's law. Ohm's law explains the relationship that exists between current, voltage, and resistance while outlining a series of formulas for calcula... Read More »
http://www.ehow.com/how_6390404_calculate-voltage.html

## How to Calculate Theoretical Voltage?

The only way to accurately determine the voltage in a system is to measure it using a voltmeter. You can, however, calculate the voltage from an appliance's power rating and the current running thr... Read More »
http://www.ehow.com/how_8483737_calculate-theoretical-voltage.html

## How to Calculate Instantaneous Voltage?

Many circuits experience a time delay between the time a voltage is applied and the time that voltage appears at the circuit. This time delay happens because capacitors in the system have to first ... Read More »
http://www.ehow.com/how_8507371_calculate-instantaneous-voltage.html

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