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POWER
Power is a measure of how much work is being done.
WATT
The watt is the unit of measure of
power (whether it is power being used OR produced). One watt of energy
is dissipated in the form of heat when one amp of
current is forced through a one ohm resistor.
The "Ohm's law" section will give more information on the relationship
between power, current, voltage and resistance.
Use this program to calculate the power dissipation in a resistor.
1. This calculator will show you how the voltage applied to a resistor and the
resistor's value determine the power dissipation in the resistor.
2. You may manually enter the the voltage and resistance.
3. Notice how power dissipation INCREASES as the voltage increases and
resistance decreases. You should also notice how the power dissipation
DECREASES as the voltage decreases and resistance increases.
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