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CBSE Class 12-science Answered

If any electric field exists in the conductor ,it would produce ordered motion of electrons without expense of external energy.This violates law of conservation of energy.PLEASE EXPLAIN THESE LINES
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Asked by govtsecschoolnayaganv051 | 13 Oct, 2019, 07:55: AM
answered-by-expert Expert Answer
Explanation given in the book for Eelectric field E = 0 inside the conductor is not correct.
 
When a conductor is placed in electric field  Eo as shown in figure , free electrons or negative charges are driven to right side surface
leaving +ve charges on the left side surface .
This charge separation produces electric field Ein in opposite direction of Eo and both th fields cancel each other.
Hence resultant electric field is zero in the conductor
Answered by Thiyagarajan K | 13 Oct, 2019, 02:56: PM
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