Basic Electronics (3110016) MCQs

MCQs of Bipolar junction transistors and its biasing

Showing 31 to 40 out of 117 Questions
1 2 3 4 5 6
31.
The voltage gain of a transistor connected in common collector arrangement is _______.
(a) Equal to 1
(b) More than 10
(c) More than 100
(d) Less than 1
Answer:

Option (d)

32.
The phase difference between the input and output voltage of a transistor connected in common collector arrangement is _______.
(a) 180⁰
(b) 0⁰
(c) 90⁰
(d) 270⁰
Answer:

Option (b)

33.
I = β I + ______.
(a) I
(b) I
(c) I
(d) α I
Answer:

Option (c)

34.
IC = α/(1-α) IB + ______.
(a) ICBO
(b) IC
(c) ICEO
(d) (1-α) IE
Answer:

Option (a)

35.
IC = α/(1-α) IB + (……..)/(1-α)
(a) ICBO
(b) ICEO
(c) IC
(d) IE
Answer:

Option (a)

36.
BC 147 transistor indicates that it is made of _______.
(a) Germanium
(b) Silicon
(c) Carbon
(d) None of the above
Answer:

Option (b)

37.
ICEO = (………..) ICBO
(a) β
(b) 1 + α
(c) 1 + β
(d) None of the above
Answer:

Option (c)

38.
A transistor is connected in CB mode. If it is now connected in CE mode with same bias voltages, the values of IE, IB and IC will ______.
(a) Remains the same
(b) Increases
(c) Decreases
(d) None of the above
Answer:

Option (a)

39.
If the value of α is 0.9, then value of β is _______.
(a) 9
(b) 900
(c) 0.9
(d) 90
Answer:

Option (d)

40.
In a transistor, signal is transferred from a _______ circuit.
(a) High resistance to low resistance
(b) Low resistance to high resistance
(c) High resistance to high resistance
(d) Low resistance to low resistance
Answer:

Option (b)

Showing 31 to 40 out of 117 Questions
1 2 3 4 5 6