If the current carried by a conductor is quadrupled, what happens to each of the

Question

If the current carried by a conductor is quadrupled, what happens to each of the following? (a)the charge carrier density 1 It is quadrupled.
It is reduced to one fourth of itsoriginal value.    
It is unchanged.


(b) the electron drift velocity 2 It is unchanged.
It isquadrupled.    
It is reduced to one fourth of itsoriginal value. 1 It is quadrupled.
It is reduced to one fourth of itsoriginal value.    
It is unchanged.
1 It is quadrupled.
It is reduced to one fourth of itsoriginal value.    
It is unchanged.
1 2

Explanation / Answer

I =  Q /t

a) I = 4I

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