State is a law which gives relation between current and potential difference? define the unit of resistance?
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State is a law which gives relation between current and potential difference? define the unit of resistance?
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Answer:
Ohm's law states that the voltage or potential difference between two points is directly proportional to the current or electricity passing through the resistance, and directly proportional to the resistance of the circuit. The formula for Ohm's law is V=IR.
Answer:
The law which gives a relation between electric potential difference and electric current is called the Ohm's Law. Ohm's law states that the current through a conductor is directly proportional to the potential difference applied across its ends, given that the temperature and other physical conditions remain constant.
The S.I. unit of resistance is 'ohm' (volt per ampere). The resistance of a conductor is said to be 1 ohm if a current of 1 ampere flows through it when the potential difference across it is 1 volt.