In the circuit shown below if the input voltage increases, which current remains practically constant?

In the circuit shown below if the input voltage increases, which curr

1.	In the circuit shown below if the input voltage increases, which current remains practically constant?
A.	IT
B.	IZ
C.	IL
D.	All of the above
Answer» D. All of the above

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In the circuit shown below if the input voltage increases, which current remains practically constant?

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