Question

what is resistance . explain with diagram

Answer 1

Resistance is the property of a electric wire which opposes the flow of electrons or current through it. It's S.I. unit is ohm and it is represented by R for external resistance and r for internal resistance.


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Answer 2

Here is the answer
Resistance:It is the property of any material by virtue of which it opposes the flow of current.
It's S.I unit is ohm.The abbreviations for electric resistance is R and the symbol for ohm in Greek letter omega.