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JEE Semiconductors PYQs with Solutions

17 previous year questions from Semiconductors (JEE Main & Advanced NSEP) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

17 questionsNSEPAnswers + solutions

About Semiconductors PYQs

Semiconductors has 17 previous year questions in the Quantrex Academy JEE Main & Advanced NSEP bank. The 17 questions in this list come from Olympiad workbook (17). Each question opens on its own page with the options, the correct answer and the worked solution where available.

Semiconductors questions with solutions

An ac source (sinusoidal source with frequency 50 Hz ) is connected in series with a rectifying diode, a 100 Ω resistor, a 1000 μ ~F capacitor and a milliammeter. After some time

Olympiad workbook Solution View → 2

The fundamental frequency of the output of a bridge rectifier driven by ac mains is

Olympiad workbook Solution View → 3

Which one of the following devices does not respond to the intensity of light incident on it?

Olympiad workbook Solution View → 4

A simple laboratory power supply consists of a transformer, bridge rectifier and a filter capacitor. It drives a suitable load. If due to some reason one of the diodes in the

Olympiad workbook Solution View → 5

Magnified, erect and virtual

Olympiad workbook Solution View → 6

In a photodiode the reverse current increases when exposed to light of wavelength 620 nm or less. The band gap of the semiconductor used is

Olympiad workbook Solution View → 7

The adjacent figure shows I - V characteristics of a silicon diode. In this connection three statements are made - (I) the region OC corresponds to reverse bias of the diode, (II)

Olympiad workbook Solution View → 8

In the network shown below the voltage V_0 is nearly

Olympiad workbook Solution View → 9

For the Boolean equation Y=A B+A(B+C)+B(B+C)+ B , which of the following statements is correct?

Olympiad workbook Solution View → 10

Refer to the common emitter amplifier circuit shown below, using a transistor with β=80 and V_ BE =0.7 volt. The value of resistance R_ B is

Olympiad workbook Solution View → 11

Avalanche breakdown in a p-n junction primarily depends on the phenomenon of

Olympiad workbook Solution View → 12

The dc component of current in the output of a half-wave rectifier with peak value I_0 is

Olympiad workbook Solution View → 13

In a p-n junction diode, the current (i) varies with applied biasing voltage (V) and can be expressed as i=i_0 (e^ q V/ kT -1) where i _ 0 = 5 ×10^ -12 ~A is reverse saturation

Olympiad workbook Solution View → 14

Statement I: The current flowing through a p-n junction is more in forward bias than that in the reverse bias. Statement II: The diffusion current, dominant in forward bias, is

Olympiad workbook Solution View → 15

A potential of 5 V is applied across the faces of a pure germanium plate of area 2 × 10^ -4 ~m^2 and of thickness 1.2 × 10^ -3 ~m . Concentration of carriers in germanium at room

Olympiad workbook Solution View → 16

The electrical conductivity of a sample of semiconductor is found to increase when the electromagnetic radiation of wave length just shorter than 2480 nm is incident normally on

Olympiad workbook Solution View → 17

In the working of a p-n junction

Olympiad workbook Solution View →

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Main Semiconductors list

The larger JEE Semiconductors list is under Physics (420 questions).

Related JEE NSEP chapters

Ray Optics (48)Electrostatics (33)Rotational Motion (32)Current Electricity (25)Waves and Sound (25)Mechanical Properties of Fluids (24)Magnetic Effects of Current (23)Dual Nature of Matter (20)Work, Power and Energy (18)Oscillations (17)Thermodynamics (17)Thermal Properties of Matter (15)

Semiconductors in other exams

NEET Semiconductors (404)BITSAT Semiconductors (29)