1
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
When a signal is applied to the input of a transistor, it was found that output signal is phase-shifted by $180^{\circ}$. The transistor configuration is
A
CB - configuration
B
CE - configuration
C
CC - configuration
D
Both CB and CC - configuration
2
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If $n_r$ and $n_h$ are concentrations of electron and holes in a semiconductor, then the intrinsic carrier concentration $n_j$ in thermal equilibrium is

AP EAPCET 2024 - 18th May Morning Shift Physics - Semiconductor Devices and Logic Gates Question 15 English

A
$n=\sqrt{\frac{n_3}{n_n}}$
B
$n=\frac{n_n}{n_n}$
C
$n=\sqrt{7 b n_n}$
D
$n_1=n_0+n_n$
3
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In the given digital circuit, if the inputs are $A=1 B_x$ and $C=1$, then the value of $Y_1$ and $Y_2$ are respectino
A
0,1
B
0,0
C
1,1
D
1,0
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Consider the statements In a semiconductor

(A) There are no free electrons at 0 K.

(B) There are no free electrons at any temperature.

(C) The number of free electrons increases with temperature.

(D) The number of free electrons is less than that in a conductor.

A
B, C, D are true but A is false.
B
A, B, C are true but D is false.
C
A, C, D are true but B is false.
D
A, B, C and D are all true.
AP EAPCET Subjects
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