1
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25

For the given logic circuit, the output Y for inputs (A = 0, B = 1) and (A = 0, B = 0) respectively are
A
0, 0
B
0, 1
C
1, 0
D
1, 1
2
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
A common emitter transistor amplifier is connected with a load resistance of 6 k$$\Omega$$ . When a small AC signal of 15 mV is added to the base-emitter voltage, the alternating base current is 20$$\mu$$A and the alternating collector current is 1.8 mA. What is the voltage gain of the amplifier?
A
90
B
640
C
900
D
720
3
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25

In the circuit shown, the value of $$\beta$$ of the transistor is 48. If the supplied base current is 200 $$\mu$$A, what is the voltage at the terminal Y?
A
0.2 V
B
0.5 V
C
4 V
D
4.8 V
4
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.25
In the circuit shown, what will be the current through the 6V zener?

A
6 mA, from A to B
B
2 mA, from A to B
C
2 mA, from B to A
D
Zero
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