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  4. The ratio (R) of output resistance r0, and the input resistance r1 in measurements of input and output characteristics of a transistor is typically in the range :

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Q. The ratio $(R)$ of output resistance $r_0$, and the input resistance $r_1$ in measurements of input and output characteristics of a transistor is typically in the range :

JEE MainJEE Main 2016Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

$R =\frac{ r _{0}}{ r _{ i }}$
typical value is approximately $10$