What Is Ohm Law?.
Explain With Numerical Example
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Answers
Answer:
Ohm’s law states that the voltage across a conductor is directly proportional to the current flowing through it, provided all physical conditions and temperature remain constant.
Example: If the resistance of an electric iron is 50 Ω and a current of 3.2 A flows through the resistance. Find the voltage between two points.
Solution:
If we are asked to calculate the value of voltage with the value of current and resistance given to us, then cover V in the triangle. Now, we are left with I and R or more precisely I × R.
Therefore, we use the following formula to calculate the value of V:
V = I × R
Substituting the values in the equation, we get
V = 3.2 A × 50 ÷ = 160 V
V = 160V
Answer:
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Physics is the natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves.