What is OHM's law and what is its SI unit?
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Answer:
The SI unit of resistance is ohms and is denoted by Ω This law is one of the most basic laws of electricity. It helps to calculate the power, efficiency, current, voltage, and resistance of an element of an electrical circuit.
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Explanation:
Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it, provided all physical conditions and temperature remain constant. In the equation, the constant of proportionality, R is Resistance and has units of ohms, with symbol Ω.
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