Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
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
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A zener diode, having breakdown voltage 15 V is used in a voltage regulator circuit as shown. The current through the zener diode is

MHT CET 2024 4th May Morning Shift Physics - Semiconductor Devices and Logic Gates Question 33 English

A
20 mA
B
5 mA
C
10 mA
D
15 mA
2
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A semiconductor device X is connected in series with a battery and a resistor. The current of 10 mA is found to pass through the circuit. If the terminals of X are connected in reverse manner, the current drops to almost zero. X may be

A
a zener diode
B
a p-n junction diode
C
an intrinsic semiconductor
D
an extrinsic semiconductor
3
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The Boolean expression for ' $x-O R$ ' gate $C=(A \oplus B)$ is equal to

A
$(\mathrm{A} \cdot \mathrm{B})+(\overline{\mathrm{A}} \cdot \overline{\mathrm{B}})$
B
$\mathrm{A}+(\overline{\mathrm{A}} \cdot \overline{\mathrm{B}})$
C
$(\mathrm{A} \cdot \mathrm{B})+\overline{\mathrm{B}}$
D
$(\overline{\mathrm{A}} \cdot \mathrm{B})+(\mathrm{A} \cdot \overline{\mathrm{B}})$
4
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following statements is true? A p-type semiconductor is doped with

A
trivalent impurity and electrons are majority carriers.
B
pentavalent impurity and electrons are minority carriers.
C
pentavalent impurity and holes are minority carriers.
D
trivalent impurity and holes are majority carriers.
Questions Asked from MCQ (Single Correct Answer)
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