1
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The depletion layer in p-n junction region is caused by

A
drift of electrons.
B
migration of impurity ions.
C
diffusion of charge carries.
D
drift of holes.
2
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The collector supply voltage is 6 V and a voltage drop across a resistor of $600 \Omega$ in the collector circuit is 0.6 V , in a circuit of transistor connected in common emitter mode. If the current gain is 20 then the base current is

A
0.25 mA
B
0.05 mA
C
0.12 mA
D
0.02 mA
3
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 45 English

A
20 mA
B
5 mA
C
10 mA
D
15 mA
4
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
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