1
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
Two ideal diodes are connected to a battery as shown in the circuit. The current supplied by the battery is

AIPMT 2012 Prelims Physics - Semiconductor Electronics Question 92 English
A
0.75 A
B
zero
C
0.25 A
D
0.5 A
2
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
In a CE transistor amplifier, the audio signal voltage across the collector resistance of 2 k$$\Omega $$ is 2 V. If the base resistance is 1 k$$\Omega $$ and the current amplification of the transistor is 100, the input signal voltage is
A
0.1 V
B
1.0 V
C
1 mV
D
10 mV
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Transfer characteristics [output voltage (V0) vs input voltage (Vi)] for a base biased transistor in CE configuration is as shown in the figure. For using transistor as a switch, it is used

AIPMT 2012 Prelims Physics - Semiconductor Electronics Question 89 English
A
in region III
B
both in region (I) and (III)
C
in region II
D
in region I
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
The figure shows a logic circuit with two inputs A and B and the output C. The voltage wave forms across A, B and C are as given. The logic circuit gate is
AIPMT 2012 Prelims Physics - Semiconductor Electronics Question 88 English
A
OR gate
B
NOR gate
C
AND gate
D
NAND gate
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