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Showing posts with the label Ohm's Law

### Ohm's Law Definition and Formula

Ohm's Law Definition The great scientist of Germany, Dr. George Simon Ohm, gave a rule in 1826. This law establishes the relationship between the charged potential difference at the ends of a conductor and the current flowing in that conductor . This law is called Om's law. Ohm's Symbol According to Ohm's law "If the physical states of the conductor such as length, area, volume, heat pressure, etc. remain unchanged, then the difference between the current charged at the ends of the conductor and the current flowing in it remains constant. Formula Om stated in his law that if the physical state is kept constant, the value of the current flowing in the conductor is proportional to the potential at its ends. So according to Om's rules V ∝ I V = R I Here R is a proportional constant, it is called the resistance of the conductor. Hence the resistance of the conductor R = V / I S.I. of resistance The unit is om, it is denoted by Ω. By drawing from Ohm's la