1.

(A): The current density remains constant in a conductor of non uniform cross-section, carrying steady current. (R): The drift speed of electrons is cosntant in a conductor of non-uniform cross-sec tion which is carrying current.

Answer»

Both 'A' and 'R' are true and 'R' is the CORRECT EXPLANATION of 'A'
Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'
'A' is true and 'R' is false 
'A' is false and 'R' is false 

ANSWER :D


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