State the limits of ohms law?
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Explanation:
The limitations of Ohm's law are outlined below: This law cannot be applied to unilateral networks. A unilateral network has unilateral elements like diode, transistors, etc., which do not have same voltage current relation for both directions of current. Ohm's law is also not applicable for non – linear elements
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According to Ohms law......
The current flowing in a conductor is directly proportional to the potential difference across its ends provided the physical conditions and temperature of the conductor remains constant.
Ohm's Law of Current Electricity
- V= voltage
- I= current
- R= resistance.
★ The SI unit of resistance is ohms and is denoted by Ω.
- The law is not applicable to unilateral networks. Unilateral networks allow the current to flow in one direction. Such types of network consist of elements like a diode, transistor, etc.
- Ohm’s law is also not applicable to non – linear elements. "Non-linear elements are those which do not have current exactly proportional to the applied voltage that means the resistance value of those elements changes for different values of voltage and current. "
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