In the C B mode of a transistor, when the collector voltage is changed by 0.5 volt. The collector current changes by 0.05 mA. The

Q: In the $C B$ mode of a transistor, when the collector voltage is changed by $0.5$ volt. The collector current changes by $0.05\ mA$. The output resistance will be

Here $\Delta V_c=0.5 \mathrm{~V}, \Delta i_c=0.05 \mathrm{~mA}=0.05 \times 10 \mathrm{~A}$Output resistance is given by$R_{\text {out }}=\frac{\Delta V_c}{\Delta i_c}=\frac{0.5}{0.05 \times 10^{-3}}=10^4 \Omega=10 \mathrm{k} \Omega$

MCQ

CBSE - English Medium

In the $C B$ mode of a transistor, when the collector voltage is changed by $0.5$ volt. The collector current changes by $0.05\ mA$. The output resistance will be

A$10 \ k \Omega$
B$20\ k \Omega$
C$5\ k \Omega$
D$2.5 \ k \Omega$

[Pb. PMT 2003]

STD 12 Science
JEE physics
Electronics
NCERT

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