WorksheetsCircuit Debugging Prelims
Total questions: 25
Worksheet time: 13mins
The CB amplifier is not commonly used for
As a current buffer
Matching a very low impedance source
Amplification
As a constant current source
Cascading increases lower cut-off frequencies.
True
False
Which of the following gates is known as coincidence detector ?
AND gate
OR gate
NOT gate
NAND gate
Which of the following components has polarity?
Resistor
Capacitor
Inductor
Transformer
The given figure is the I-V graph. Find the R value.
16 ohm
4 ohm
8 ohm
12 ohm
Find the type of logic circuit given below.
PLA
PAL
PLD
None of the above
Find the value of the resistor?
220k
10k
1k
2k
In the diagram below, what type of component is represented?
Capacitor
Diode
Resistor
None of the above
Choose an appropriate name for this circuit.
Colpitts oscillator
Hartley oscillator
RC phase-shift oscillator
Wien bridge oscillator
which among the following is current controlled device
MOSFET
BJT
IGBT
FET
The basic storage element in a digital system is
flip flop
counter
multiplexer
encoder
In mesh analysis, what is the direction of the current in a mesh?
It depends on the resistor values in the mesh
It depends on the voltage source in the mesh
It is assumed arbitrarily
It is always clockwise
The process of changing the half-wave or full-wave rectified voltage to a constant DC voltage is called
AC-DC Conversion
Filtering
Damping
Ripple suspension
The distortion caused by multiple frequencies in output is called
Amplifier distortion
Harmonic distortion
Phase distortion
None of the mentioned
This circuit realizes which of the following function?
(AB)’ + B + (A+C)
(A+B)’+ A’.(B.C)’
C’+(B’+C).A
(AB)’ + B+ (A+C)’
Mod 10 counter is also known as
Binary-Coded Decimal
Divide-by-10 counter
Decimal counter
All the above
The depletion-mode MOSFET
can operate with only positive gate voltages
can operate with only negative gate voltages
cannot operate in the ohmic region
can operate with positive as well as negative gate voltages
Choose the correct output waveform at X for three-input AND gate.
A circuit using an OP-Amp shown in fig has ?
Voltage series feedback
Voltage shunt feedback
Current shunt feedback
Current series feedback
Can you recognize the name of this circuit?
Approximate hybrid mode of CE
Approximate hybrid model of CB
Exact hybrid model of CE
Exact hybrid model of CB
Resistor
Varistor
Capacitor
Inductor
NMOS
NPN Transistor
CMOS
PNP Transistor
Is Capacitor very much needed in DC supply?
Yes
No
What are Universal Gates?
AND & OR
NAND & NOR
XOR & XNOR
NOT
In a circuit, if a resistor of 1kΩ is accidentally replaced with 10kΩ, what is the most likely effect?
No change in circuit behavior
Increase in current flow
Decrease in current flow
Circuit will stop working
