Define resistance. Write the SI unit of resistance and define
it. Match the correct range of resistivity with the materials
given.
(a) Conductors (0) 10- Qm
(b) Alloys (it) 10 to 107 am
(c) Insulators (N) 10 to 10 m
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It is that property of a conductor by virtue of which it opposes /resist the flow of charge through it . The SI unit of resistance is ohm .
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