FBQ1: The two components of a …. amplifier are amplifier system and the feedback system
Answer: feedback
FBQ2: There are … basic types of feedback arrangements
Answer: Two
FBQ3: The feedback ration β is often determined by the ratio of two ….
Answer: resistors
FBQ4: The Ideal …. parameters are derived to simplify circuit analysis
Answer: Op Amp
FBQ5: The two basic configurations of the operational amplifier are the noninverting op amp configuration and the inverting … Op Amp
Answer: Inverting
FBQ6: The ……….. parameters are specifications used in the analysis of transistor amplifiers
Answer: Hybrid
FBQ7: The transistor can serve either as a ---- or an amplifier
Answer: switch
FBQ8: ………….. can be defined as the setting up of the DC voltages and current in an electronic circuit
Answer: Biasing
FBQ9: Integration is a mathematical process of determining the area under a ------
Answer: curve
FBQ10: The adder circuit of the operational amplifier provides an output voltage proportional to the algebraic sum of the inputs, each multiplied by a …. gain factor
Answer: constant
FBQ11: …. is the process by which the rate of change of a curve at any given point can be determined
Answer: Differentiator
FBQ12: The differentiator is basically a high pass ….
Answer: filter
FBQ13: There are two types of ----- power supply namely unregulated Power Supply and Regulated Power Supply
Answer: DC
FBQ14: The …. is responsible for stepping down the voltage level of incoming AC mains supply
Answer: transformer
FBQ15: ………………. Power Supply is a power supply whose terminal voltage is affected significantly by the amount of load. As the load draws more current the DC terminal voltage becomes less
Answer: Unregulated
FBQ16: The …. transformer steps up the voltage from the ac mains
Answer: step-up
FBQ17: The ….. power supply utilizes the step down transformer
Answer: DC
FBQ18: The purpose of the rectifier is to convert the AC signal from the … to DC
Answer: transformer
FBQ19: There are two classes of rectifiers namely the half wave rectification and the ---- wave rectification
Answer: full
FBQ20: The …… of rectification is given by the ratio of the output DC power to the total amount of input power supplied to the circuit
Answer: efficiency
FBQ21: Efficiency of Rectifiers is also called the ……… efficiency
Answer: conversion
FBQ22: In the …….. feedback arrangement, the feedback voltage is in the same phase as the input voltage and it increases the input voltage amplitude
Answer: positive
FBQ23: The ……….. is a direct coupled amplifier capable of amplifying signals from DC up to a few MHz
Answer: operational amplifier
FBQ24: … voltage is the maximum voltage the diode has to withstand without failing when it is not conducting
Answer: Peak Inverse
FBQ25: The measure of the AC components present in the rectifier output is known as ----- factor
Answer: Ripple
FBQ26: Biasing can be defined as the setting up of the DC voltages and current in an ……… circuit
Answer: electronic
FBQ27: Load ….. is the change in output voltage between no load current condition and full load current condition, expressed in percentage
Answer: Regulation
FBQ28: A … is a metal structure usually with fins that is bonded, clipped or clamped to the device package to facilitate heat flow from case to ambient
Answer: heat sink
FBQ29: The load lines enables the……….. of the transistor characteristics
Answer: visualization
FBQ30: The equation (A + B) + C = A + (B + C) represents ….laws of Boolean algebra?
Answer: Associative
FBQ31: The equation A (B + C) = A B + A C represents …..laws of Boolean algebra
Answer: Distributive
FBQ32: The equation A (A + B) = A represents …. laws of Boolean algebra
Answer: Redundance
FBQ33: The ratio of change in output to a given change in input supply voltage is regarded as…… regulation
Answer: line
FBQ34: ……. factor is the ratio of the rms value of AC components of the output to the DC value of the load voltage
Answer: ripple
FBQ35: Peak Inverse Voltage is the maximum voltage the ……..has to withstand without failing when it is non conducting
Answer: diode
FBQ36: The ratio of the output DC power to the overall amount of input power supplied to a circuit is regarded as the ---- of rectification.
Answer: efficiency of rectification
FBQ37: The ------- is responsible for stepping down the voltage level of incoming ac mains supply
Answer: transformer
FBQ38: Differentiator I s the process by which the rate of change of a ----- at any given point can be determined
Answer: curve
FBQ39: Voltage Series Fed Feedback is also referred to as ….. derived series- feedback
Answer: Shunt
FBQ40: Typical ----- are subject to changes such as temperature, DC supply levels and ageing
Answer: amplifiers
FBQ41: Feedback …… is made up of Amplifier system and the feedback system
Answer: amplifier
FBQ42: OR gate is otherwise regarded as ---- OR
Answer: inclusive
FBQ43: Coupling Circuit, the Load Circuit and the Bias are components parts of an … circuit
Answer: amplifier
FBQ44: The total input impedance of the circuit is the … combination of R1 ,R2 and Rin (base)
Answer: parallel
FBQ45: Voltage ----- refers to the ratio between the output voltage and the input voltage
Answer: gain
FBQ46: Professionally speaking, Junction FET is commonly abbreviated as …..
Answer: JFET
FBQ47: There are two basic types of ---- arrangements namely positive and negative feedback
Answer: feedback
FBQ48: There are basically …. types of feedback amplifier circuit topologies depending on how the signals are added at the input
Answer: four
FBQ49: Shunt Derived Series-Fed Feedback is also known as ----- series feedback
Answer: Voltage
FBQ50: The Ideal Op Amp parameters are derived to simplify ….. analysis
Answer: circuit
MCQ1: The rate of loss of heat is proportional to the temperature difference between the ….. and the ambient
Answer: Junction
MCQ2: In free air operation, the thermal resistance consists of two components namely …… and thermal resistance from core to ambient
Answer: thermal resistance from junction to case
MCQ3: Basic laws of Boolean algebra are implemented as switching devices called ….
Answer: logic gates
MCQ4: DeMorgan’s Theorem allows gates to be converted to others by simply
Answer: Inverting the inputs of the selected gate
MCQ5: The following gates are used to convert gates to others except
Answer: Convert all NOR operations to ANDs
MCQ6: The Inclusive OR is otherwise called
Answer: The OR gate
MCQ7: … is a table which gives the output state for all the possible input combination
Answer: Truth table
MCQ8: If Input A = 0 and Input B = 1, from the truth table, what is the value of the output C in an OR gate?
Answer: 1
MCQ9: If Input A = 1 and Input B = 1, from the truth table, what is the value of the output C in an OR gate?
Answer: 1
MCQ10: The AND gate can also be realized using the …. and the transistor.
Answer: diode
MCQ11: If Input A = 1 and Input B = 1, from the truth table, what is the value of the output C in an AND gate?
Answer: 1
MCQ12: If Input A = 1, Input B = 1 and Input C = 0 from the truth table, what is the value of the output D in an AND gate?
Answer: 0
MCQ13: If Input A = 1, Input B = 1 from the truth table, what is the value of the output C in a NOR gate?
Answer: 0
MCQ14: If Input A = 1, Input B = 0 from the truth table, what is the value of the output C in a NOR gate?
Answer: 0
MCQ15: The NAND gate is also a universal gate as it can be constructed to get either an …. or an OR gate operation.
Answer: AND gate
MCQ16: If Input A = 1, Input B = 0 from the truth table, what is the value of the output C in a NAND gate?
Answer: 1
MCQ17: If Input A = 0, Input B = 1 from the truth table, what is the value of the output C in a NAND gate?
Answer: 0
MCQ18: If Input A = 0, Input B = 0 from the truth table, what is the value of the output C in a NAND gate?
Answer: 1
MCQ19: The ratio of the rms value of AC components to the DC value of load voltage is referred to as the _________
Answer: Rectification Factor
MCQ20: In the Series Derived Shunt-Fed Feedback Topology the input is connected in _________
Answer: parallel
MCQ21: Zener diode can be applied in the following application areas except
Answer: Voltage Converter
MCQ22: In _________ , the transistor operates somewhere between saturation and cut-off state
Answer: Linear Regulator
MCQ23: A major disadvantage of the _________ pass transistor regulator is that they are inefficient
Answer: series
MCQ24: The positive feedback current is used mainly in___________
Answer: oscillators
MCQ25: In the voltage divider bias, the DC bias Voltage and Current are _______
Answer: Dependent on temperature
MCQ26: The OP AMP differentiator is basically a ________________ pass filter
Answer: high
MCQ27: Using a truth table, the expression A + A'B can be shown to be ________
Answer: A + B
MCQ28: In the half wave rectifier, the output ripple frequency is _______
Answer: Twice the input frequency
MCQ29: Which of the following is true about BJT transistors?
Answer: BJTs are current controlled devices
MCQ30: Any amplifier circuit has the following parts EXCEPT
Answer: The Electric Circuit
MCQ31: Given IDSS = 12mA, VGS (off) = -5V, determine the value of ID at VGS = 0, -1, -4
Answer: 0.48mA
MCQ32: A digital signal 101011 is applied to a NOT gate. what will be the NOT gate output
Answer: 010100
MCQ33: In the common emitter configuration the output is gotten from the ________
Answer: Collector
MCQ34: What are the limitations of batteries as the commonest source of AC supply
Answer: Availability
MCQ35: The following are examples of voltage regulators except
Answer: Zener diode voltage transformers
MCQ36: The following are components of DC power supply except
Answer: Inverter
MCQ37: There are DC power classified as either; series regulators shunt regulators or
Answer: switching regulators
MCQ38: Voltage regulators ensure that the terminal voltage remains unchanged regardless of the ……. in the input voltage provided the operational limits are not exceeded
Answer: variations
MCQ39: Ripple factor is a measure of the ………. (fluctuating components) present in the rectifier output
Answer: AC components
MCQ40: The following are examples of voltage regulators except ………
Answer: Transformer diode
MCQ41: The operational amplifier is a direct coupled amplifier capable of ……... signals from DC up to a few MHz
Answer: Amplifying
MCQ42: The total input impedance of the circuit is the ……. combination of R1 ,R2 and Rin(base).
Answer: pararell
MCQ43: The ……… is a low pass filter and produces more output for low frequency signals
Answer: calculator
MCQ44: Amplifiers have a frequency range over which the gain and phase shift are approximately ……….
Answer: constant
MCQ45: The ……parameters are derived to simplify circuit analysis
Answer: Ideal Op Amp
MCQ46: The ……configuration has the input signal connected to its non-inverting input
Answer: Non-inverting op amp
MCQ47: The …..gate is also known as an inverter
Answer: NAND
MCQ48: The ……gate is also referred to as a universal gate
Answer: NOR
MCQ49: If a digital signal 101011 is applied to a NOT gate what will be the NOTgate output?
Answer: 0 1 0 1 0 0
MCQ50: Any amplifier circuit has the following parts except……
Answer: DC Analysis