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Give the derivation of ohms law ...???
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Answers
Ohm's Law and Resistance. ... The formula for Ohm's law is V=I/R. This relationship between current, voltage, and relationship was discovered by German scientist Georg Simon Ohm.
Answer:
Ohm’s Law Definition
Most basic components of electricity are voltage, current, and resistance. Ohm’s law shows a simple relation between these three quantities. Ohm’s law states that the current through a conductor between two points is directly proportional to the voltage across the two points.
ohm's law
Ohm’s Law Formula
Voltage= Current× Resistance
V= I×R
V= voltage, I= current and R= resistance
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
Applications of Ohm’s Law
Ohm’s law helps us in determining either voltage, current or impedance or resistance of a linear electric circuit when the other two quantities are known to us. It also makes power calculation simpler.
How do we establish the current-voltage relationship?
In order to establish the current-voltage relationship, the ratio V / I remains constant for a given resistance, therefore a graph between the potential difference(V) and the current (I) must be a straight line.
How do we find the unknown values of resistance?
It is the constant ratio that gives the unknown values of resistance,