what is ohms law??????
Answers
Ohm's law is a law that states that the voltage across a resistor is directly proportional to the current flowing through the resistance.
Ohm's law is named for German physicist Georg Ohm (1789-1854).
A simple formula, Ohm's law, is used to show the relationship of current, voltage, and resistance ...
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Answer:
Ohm's Law is a formula used to calculate the relationship between voltage (V) , current (I) and resistance (R) in an electrical circuit.
Georg Simon Ohm, a German physicist was the first to verify Ohm’s law experimentally.
Explanation:
Mathematically, this current-voltage relationship can be written as:
V= IR
In the equation, the constant of proportionality, R is Resistance and has units of ohms, with symbol Ω.
The same formula can be rewritten in order to calculate the current and resistance respectively as follows:
- I= V/R
- R = V/I
Ohm’s law only holds true if the provided temperature and the other physical factors remain constant. In certain components, increasing the current raises the temperature.
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