1
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The current amplification factor of a transistor in common emitter configuration is 80 . If the emitter current is 2.43 mA , then the base current is

A

$15 \mu \mathrm{~A}$

B

$1.5 \mu \mathrm{~A}$

C

$3 \mu \mathrm{~A}$

D

$30 \mu \mathrm{~A}$

2
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The negative feedback in an amplifier

A

increases noise and distortion.

B

reduces noise and distortion.

C

reduces noise and increases distortion.

D

increases noise and reduces distortion.

3
TG EAPCET 2025 (Online) 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

At absolute zero temperature, a semiconductor behaves like

A

semiconductor

B

superconductor

C

conductor

D

insulator

4
TG EAPCET 2025 (Online) 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Three logic gates are connected as shown in the figure. If the inputs are $A=1, B=0$ and $C=1$, then the values of $y_1, y_2$ and $y_3$ respectively are

TG EAPCET 2025 (Online) 4th May Morning Shift Physics - Semiconductor Devices and Logic Gates Question 34 English

A

1, 0, 0

B

$0,1,0$

C

$1,1,0$

D

1, 0, 1

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