MHT CET 2024 11th May Morning Shift | Semiconductor Devices and Logic Gates Question 17 | Physics

If ' $\mathrm{n}_{\mathrm{c}}$ ' and ' $\mathrm{n}_{\mathrm{h}}$ ' are the number of electrons and number of holes respectively in a semiconductor heavily doped with phosphorous then

$\mathrm{n}_{\mathrm{e}} \gg \mathrm{n}_{\mathrm{h}}$

$\mathrm{n}_{\mathrm{e}} \ll<\mathrm{n}_{\mathrm{h}}$

$\mathrm{n}_{\mathrm{e}} \leqslant \mathrm{n}_{\mathrm{h}}$

$\mathrm{n}_{\mathrm{e}}=\mathrm{n}_{\mathrm{h}}$

MHT CET 2024 11th May Morning Shift

MCQ (Single Correct Answer)

-0

A p-n junction diode cannot be used

as a rectifier.

for converting light energy to electrical energy.

for getting light radiation.

for increasing the amplitude of an a.c. signal.

MHT CET 2024 10th May Evening Shift

MCQ (Single Correct Answer)

-0

In semiconductors at room temperature,

the valence band is completely filled and the conduction band partially filled.

the valence band is completely filled.

the conduction band is completely filled.

the valence band is partially empty and the conduction band partially filled.

MHT CET 2024 10th May Evening Shift

MCQ (Single Correct Answer)

-0

In the given circuit, Zener breakdown voltage is 8 V . If power of Zener diode is 1.6 W . The value of $R$ is

MHT CET 2024 10th May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 20 English

2 $\Omega$

4 $\Omega$

6 $\Omega$

10 $\Omega$

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