1
AP EAPCET 2025 - 23rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The logic gate equivalent to the circuit shown in the figure is

AP EAPCET 2025 - 23rd May Morning Shift Physics - Semiconductor Devices and Logic Gates Question 7 English
A

AND

B

NAND

C

NOR

D

$O R$

2
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

When three NAND logic gates are connected as shown in the figure, then the logic gate equivalent to the circuit is

AP EAPCET 2025 - 22nd May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 13 English
A

NOT

B

AND

C

$O R$

D

NOR

3
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The device used for voltage regulation is

A

Zener diode

B

photo diode

C

light emitting diode

D

solar cell

4
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A transistor has 3 impurity regions of different doping levels. In the order of increasing doping level, the regions are
A

emitter, base, collector

B

collector, base, emitter

C

base, emitter, collector

D

base, collector, emitter

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