In any electrical circuit consists of three parts: the power supply, voltage or device. Power to enter into the circuit, so it is important to take into consideration the circuit when the circuit yet. What is happening is not a current flowing through the circuit, too, which makes electrical equipment damaged. Circuit burns or damage to the terminal Simon Ohm, German physicist to be critical of the circuit when I was electricity. Is measured in amperes, V is the voltage with units of volts, and R is the resistance of the conductor, a unit of Ohm.
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