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Question

Physics Question on Current electricity

E→\overrightarrow{E} is the electric field inside a conductor whose material has conductivity σ and resistivity ρ . The current density inside the conductor is j→\overrightarrow{j} . The correct form of Ohm's law is

A

E→=σj→\overrightarrow{E}=\sigma\overrightarrow{j}

B

j→=ρE→\overrightarrow{j}=\rho\overrightarrow{E}

C

E→=ρj→\overrightarrow{E}=\rho\overrightarrow{j}

D

E→.j→=ρ\overrightarrow{E}. \overrightarrow{j}=\rho

Answer

E→=ρj→\overrightarrow{E}=\rho\overrightarrow{j}

Explanation

Solution

The correct answer is Option (C) : E→=ρj→\overrightarrow{E}=\rho\overrightarrow{j}