Checkout JEE MAINS 2022 Question Paper Analysis : Checkout JEE MAINS 2022 Question Paper Analysis :

The unit of specific resistance is

1) Ohm/cm2

2) Ohm/cm

3) Ohm-cm

4) (Ohm-cm)–1

Answer: 3) Ohm-cm

Solution:

Specific resistance, ρ = RA/L

SI unit of specific resistance = (Ohm x cm2)/cm

= Ohm-cm

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