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When a steady current passes through a c...

When a steady current passes through a cylindrical conductor, is there an electric field inside the conductor?

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Under the electrostatic conditions (when no current flows), `E=0`. When current is non zero,then electric field is also non zero.
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DC PANDEY ENGLISH-CURRENT ELECTRICITY-Level 1 Subjective
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  12. A conductor of length l has a non-uniform cross-section. The radius of...

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  14. Two identical batteries each of emf E= 2 volt and internal resistance ...

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