Different Types of Multivibrators - 1 Online Exam Quiz
Different Types of Multivibrators - 1 GK Quiz. Question and Answers related to Different Types of Multivibrators - 1. MCQ (Multiple Choice Questions with answers about Different Types of Multivibrators - 1
Consider the following circuit and find the time period of the output of the multivibrator.^
Options
A : 0.436 ms
B : 0.436 seconds
C : .5 ms
D : 5.22 seconds
Consider two almost similar diodes, whose diffusion capacitances are C1 and C2, and doping concentrations of 1020 /cubic centimeter and 1016/cubic centimeter. Find \frac{C1}{C2}.
Options
A : 100
B : 0.01
C : 10000
D : 0.0001
Diffusion capacitance is larger than transition capacitance.
Options
A : TRUE
B : FALSE
C : Both are same
D : Depends on doping concentrations
Given that the feedback factor is 0.6, find the time period of the circuit below.^
Options
A : 0.331 seconds
B : 0.303 seconds
C : 0.276 seconds
D : 0.606 seconds
How can the duty cycle be changed for an astable multivibrator?
Options
A : By adding another capacitor to the circuit
B : By adding diodes to the circuit
C : By adding an inductor to the circuit
D : The duty cycle cannot be changed
If the diffusion capacitance is directly proportional only to the lifetime of holes in N side then __
Options
A : The diode is a p+n junction diode
B : The diode is a pn+ junction diode
C : The diode is a p+n+ diode
D : The diode can have any type of pn junction
If the relative permittivity of a diode remains constant, its area is doubled and its doping concentration is quadrupled. What is its new diffusion capacitance, of originally it was CD?
Options
A : 4CD
B : 2CD
C : 3CD
D : CD
In a diode, the change in voltage being applied across it is 2V. The change in minority carriers outside the depletion region is 1.2?10-8. Find diffusion capacitance.
Options
A : 6 pF
B : 6 ?F
C : 1.2 nF
D : 6nF
On which of these does the diffusion capacitance of a diode not depend upon?
Options
A : Forward current
B : Dynamic conductance
C : Doping concentration
D : Reverse resistance
The minority charge concentration can be represented as Q = V2 ? 33V. If the voltage being applied is now 5V, find the diffusion capacitance.
Options
A : 1?F
B : 0.1?F
C : 10?F
D : 0.9?F