1.

In given figure when input voltage increases,

Answer»

the current through `R_(S),R_(L)` and zener incresases
the current through `R_(S)` INCREASES, zener increases but through `R_(L)` REMAINS constant
the current through `R_(S)` increases, through zener DECREASES, `R_(L)` increases
the current through `R_(S)` increases, through zener remains constant but `R_(L)` increases

Answer :B


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