GATE Electronics and Communications (EC) 2016 Shift 1 Solved Paper

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Question : 23 of 65

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Consider the constant current source shown in the figure below. Let 𝛽 represent the current gain of the transistor.

The load current 𝐼₀ through R_L is

$I_{0} = (\;{β\;\;+\;1}/{β\;}) \;{V_{ref}}/{R}\:$
$I_{0} = (\;{β\;}/{β\;\;+\;1}) \;{V_{ref}}/{R}\:\:$
$I_{0} = (\;{β\;\;+\;1}/{β\;}) \;{V_{ref}}/{2R}$
$I_{0} = (\;{β\;}/{β\;\;+\;1}) \;{V_{ref}}/{2R}$

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