MH SET 2024 Paper 2 Electronics Science Question Paper (07-Apr-2024)

Question 1

What is the main purpose of a Schottky diode in semiconductor applications ?

Accepted Answer

High-speed switching

Answer

Voltage regulation

Answer

Temperature sensing

Answer

Power amplification

Question 2

What is the primary advantage of using a Gallium Nitride (GaN) semiconductor over traditional silicon in power electronics ?

Accepted Answer

Greater thermal stability

Answer

Higher electron mobility

Answer

Lower bandgap

Answer

Improved resistance to radiation

Question 3

What type of backlighting is commonly used in LCD displays for improved color reproduction ?

Accepted Answer

Fluorescent backlighting

Answer

Incandescent backlighting

Answer

LASER backlighting

Answer

OLED backlighting

Question 4

What is the purpose of connecting a resistor in series with a Zener diode in a voltage regulator circuit ?

Accepted Answer

To limit the forward bias current

Answer

To increase the breakdown voltage

Answer

To decrease the reverse bias voltage

Answer

To provide mechanical stability

Question 5

Which type of low-dimensional semiconductor device is known for its ability to confine charge carriers in all three dimensions ?

Accepted Answer

Quantum dots

Answer

Quantum wells

Answer

Quantum wires

Answer

Quantum cascade devices