Question

Which operating condition is satisfied by the transistor if it is supposed to function in cut-off region ?

• A. $V_{CE}>0$
• B. $V_{CE}<0$
• C. $V_{CE}=0$
• D. $V_{CE}=V_{CC}$

Answer 1

The correct option is D $V_{CE}=V_{CC}$

$V_b<V_{be}$ (Generally $0.7V$)

So, $I_b=0A$

$I_c=0A$
$V_c=I_c\times R_c=0V$
$V_{ce}=V_o=V_{cc}-V_c=V_{cc}$