MHT CET 2026 15th April Evening Shift | Semiconductor Devices and Logic Gates Question 31 | Physics

In the diagram shown, the resistance between points A and B is '$R_1$' when an ideal diode D is forward biased and is '$R_2$' when ideal diode D is reverse biased. The ratio $R_1 / R_2$ is
MHT CET 2026 15th April Evening Shift Physics - Semiconductor Devices and Logic Gates Question 16 English

MHT CET 2026 15th April Evening Shift Physics - Semiconductor Devices and Logic Gates Question 16 English

$2$

$1$

$\dfrac{1}{2}$

$\dfrac{1}{4}$

MHT CET 2026 15th April Evening Shift

MCQ (Single Correct Answer)

-0

In common emitter amplifier, a change of $0.2$ mA in the base current causes a change of $5$ mA in the collector current. If input resistance is $2$ k$\Omega$ and voltage gain is $75$, the load resistance used in the circuit is

$2$ k$\Omega$

$3$ k$\Omega$

$4$ k$\Omega$

$6$ k$\Omega$

MHT CET 2026 15th April Morning Shift

MCQ (Single Correct Answer)

-0

Photodiode is a device

in which photocurrent is dependent on reverse bias.

in which photocurrent is independent of incident radiation.

which is always operated in forward bias.

which is always operated in reverse bias.

MHT CET 2026 15th April Morning Shift

MCQ (Single Correct Answer)

-0

For a p-n junction diode, breakdown voltage occurs when

reverse bias is decreased

reverse bias is not changed

reverse-bias is increased

forward bias is increased

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