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CBSE Class 10 Answered

Define resistance and also explain it through ohm law?
Asked by swatipuspapatel | 08 Apr, 2021, 08:02: PM
Expert Answer
Resistance is the opposition that a substance offers to the flow of electric current.  It is represented by the uppercase letter R.  The standard unit of resistance is the ohm, sometimes written out as a word, and sometimes symbolized by the uppercase Greek letter omega.  When an electric current of one ampere passes through a component across which a potential difference (voltage) of one volt exists, then the resistance of that component is one ohm. 
Click here for Explanation of Ohm's law
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