MHT CET 2026 13th April Evening Shift | Semiconductor Devices and Logic Gates Question 37 | Physics

If transistor having $\alpha = 0.9$, is used in CE configuration, then for a change of $0.4$ mA in base current, what will be the change in collector current?

$3.6$ mA

$4$ mA

$0.9$ mA

$36$ mA

MHT CET 2026 13th April Evening Shift

MCQ (Single Correct Answer)

-0

Choose the correct statement about Zener diode:

It works as a voltage regulator in reverse bias and behaves like simple pn junction diode in forward bias.

It works as a voltage regulator in both forward and reverse bias.

It works a voltage regulator only in forward bias.

It works as a voltage regulator in forward bias and behaves like simple pn junction diode in reverse bias.

MHT CET 2026 13th April Morning Shift

MCQ (Single Correct Answer)

-0

In common emitter mode of transistor, the d.c. current gain is 20, the emitter current is 7 mA. The collector current is

$\dfrac{20}{3}$ mA

$\dfrac{14}{5}$ mA

$\dfrac{1}{3}$ mA

$\dfrac{8}{13}$ mA

MHT CET 2026 13th April Morning Shift

MCQ (Single Correct Answer)

-0

In transistor amplifier, base emitter junction is forward biased and collector base junction is reversed biased. The current gain is

$\dfrac{\Delta I_C}{\Delta I_B}$

$\dfrac{\Delta I_B}{\Delta I_C}$

$\dfrac{\Delta I_E}{\Delta I_B}$

$\dfrac{\Delta I_B}{\Delta I_E}$

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