Mechanics
Units & Measurement and Dimensions
MCQ (Single Correct Answer)
Motion in a Straight Line
MCQ (Single Correct Answer)
Work, Energy and Power
MCQ (Single Correct Answer)
Center of Mass and Collision
MCQ (Single Correct Answer)
Simple Harmonic Motion
MCQ (Single Correct Answer)
Heat and Thermodynamics
MCQ (Single Correct Answer)
Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Dual Nature of Radiation
MCQ (Single Correct Answer)
Semiconductor Devices and Logic Gates
MCQ (Single Correct Answer)
Communication Systems
MCQ (Single Correct Answer)
1
KCET 2022
MCQ (Single Correct Answer)
+1
-0

The forbidden energy gap for Ge crystal at 0K is

A
0.71 eV
B
2.57 eV
C
6.57 eV
D
0.071 eV
2
KCET 2022
MCQ (Single Correct Answer)
+1
-0

Which logic gate is represented by the following combination of logic gates?

KCET 2022 Physics - Semiconductor Devices and Logic Gates Question 25 English

A
NAND
B
AND
C
NOR
D
OR
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The circuit given represents which of the logic operations?

KCET 2021 Physics - Semiconductor Devices and Logic Gates Question 21 English

A
OR
B
AND
C
NOT
D
NOR
4
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Identify the incorrect statement.

A
When a $$p$$-$$n$$ junction diode is forward biased, then the width of the depletion region decreases.
B
When a $$p$$-$$n$$ junction diode is reverse biased, the barrier potential increases.
C
A photodiode is operated in the reverse bias.
D
An LED is a lightly doped $$p$$-$$n$$ junction diode which emits spontaneous radiation of forward biasing.
KCET Subjects