Question FBQ1 :  Electrons are the minority carriers in ____semiconductors.
Answer: n-type

Question FBQ2 : A p-type semiconductor contains holes and negative ions
Answer: negative

Question FBQ3 :  Depletion layer is caused by _____.
Answer: recombination

Question FBQ4 : The reverse current in a ____is usually very small.
Answer: diode

Question FBQ5 : The ideal current voltage source has zero output impedance and ………………… impedance
Answer: zero input

Question FBQ6 : There are two non- abstract active circuit elements and both of them are__.
Answer: sources

Question FBQ7 : When voltage changes across its terminals, capacitance produces a current which is proportional to the rate of_______.
Answer: voltage change

Question FBQ8 : If you make a current flow through an inductor, it produces a magnetic flux which is proportional to the rate of ____.
Answer: current change

Question FBQ9 : A magnetic field is set up when a current flows through inductance which creates a magnetic force which is detectable with a magnetic _____.
Answer: compass

Question FBQ10 : _______is the unit of inductance.
Answer: Henry

Question FBQ11 : _______analysis is facilitated by the introduction of two hypothetical elements called nullator and the norrator.
Answer: Circuit

Question FBQ12 : _______ theorem states that any combination of voltage sources, current sources and resistors with two terminals is electrically equivalent to a single voltage and a single resistor.
Answer: Thevenin

Question FBQ13 : _______in the equations for the impedance of inductors and capacitors indicate that the voltage across a capacitor lags the current through it by a phase of 2.
Answer: phase angles

Question FBQ14 : Ideal inductors and capacitors have a purely imaginary reactive ____.
Answer: Impedance

Question FBQ15 : In vacuum tubes, electrons travel through ___ and not through a conducting material
Answer: Vacuum

Question FBQ16 : A component with a finite reactance induces a phase shift between the voltage across it and the____ through it.
Answer: Current

Question FBQ17 : Circuit solutions involving mixed source are often simplified by a source_____.
Answer: transformation

Question FBQ18 : A current source produces current in a conductor which is related to ____.
Answer: electric charge

Question FBQ19 : _______theorem is important in electrical network analysis and synthesis.
Answer: Fosters reactance

Question FBQ20 : A series LC circuit has an impedance that is the sum of the impedance of an inductor and _____.
Answer: Capacitor

Question FBQ21 : Miller theorem refers to the process of creating equivalent _________.
Answer: circuit

Question FBQ22 : _______theorem implies that an impedance elements is supplied by two arbitrary voltage sources that are connected in series through the common grounds
Answer: Miller

Question FBQ23 : Maximum power transfer is not synonymous with maximum ____________
Answer: Efficiency

Question FBQ24 : The dual Miller theorem refers to impedance supplied by the two connected in parallel ____________ sources.
Answer: current

Question FBQ25 : Both Millers theorems are based on the two _________ circuit laws
Answer: Kirchhoff

Question FBQ26 : Resistors are circuit elements that impede the passage of electrical charges in agreement with ____.
Answer: Ohms law

Question FBQ27 : _______theorem also called the parallel generators theorem.
Answer: Millman

Question FBQ28 : Ohms and Kirchhoffs laws serve as the basic which __________ theorem is derived.
Answer: Millman

Question FBQ29 : The total equivalent conductance of a super node is the sum of the conductance of each branch according to _____theorem.
Answer: Millman

Question FBQ30 : _______theorem as an extension of Thevinins’s theorem .
Answer: Nortons

Question FBQ31 : _______states that any collection of voltage sources, current sources, and resistors with two terminals is electrically equivalent to an ideal current source in parallel with a single resistor
Answer: Nortons

Question FBQ32 : Avalanche in diode occurs at ______voltage
Answer: breakdown

Question FBQ33 : The potential barrier of a silicon diode is _____.
Answer: 0.7 V

Question FBQ34 : The reverse saturation _____in a Silicon Diode is lower than that of Germanium diode.
Answer: current

Question FBQ35 : Most of the energy distribution theorems and extremum principles in network theory can be derived from _____ theorem
Answer: Tellegen

Question FBQ36 : _______theorems gives a simple relation between magnitudes that satisfy the Kirchhoff`s laws of electrical circuit theory.
Answer: Tellegen

Question FBQ37 : Any black box containing only voltage sources, current sources, and other resistors can be converted to a Thevenin equivalent circuit comprising exactly one voltage source and _____.
Answer: one resistor

Question FBQ38 : The simplest vacuum tubes have a filament called the ______.
Answer: Cathode

Question FBQ39 : _______ needs a considerable temperature differential between the hot cathode and the cold anode
Answer: vacuum tube

Question FBQ40 : _______ is a material with electrical conductivity due to electron flow which is intermediate in magnitude between a conductor and insulator.
Answer: Semiconductor

Question FBQ41 : If a control grid is added between the cathode and the anode of the vacuum tube, it is called a _____.
Answer: Triode

Question FBQ42 : _______ is a voltage controlled in that a voltage applied as an input can be used to control the flow of electrons between the cathode and the anode.
Answer: triode

Question FBQ43 : The development of the thermionic diode and the triode led to great improvement in the telecommunications technology, particularly the birth of ___.
Answer: broadcast radio

Question FBQ44 : The non linear characteristic of the triode caused harmonic distortions at low volumes in early vacuum tube ____ amplifier.
Answer: audio

Question FBQ45 : The process of adding controlled impurities to a semiconductor is known as ____.
Answer: Doping

Question FBQ46 : _______ tube were specifically designed for demodulation of synchronous signals of colour signals in colour television receivers.
Answer: sheet beam

Question FBQ47 : Zener diode can be described as a device with ___ voltage.
Answer: constant

Question FBQ48 : The diode current is large for ____bias.
Answer: forward

Question FBQ49 : The terminals of abstract active element possesses input ports and ____ ports.
Answer: Output

Question FBQ50 : A Diode is a _____ device  
Answer: linear

Question MCQ1 : The following are passive circuit element except _____.
Answer: Voltage

Question MCQ2 : The following are the categories of the single circuit element except ____.
Answer: passive abstract source

Question MCQ3 : Circuit analysis is facilitated by the introduction of the hypothetical elements called ____.
Answer: Nullator and Norrator

Question MCQ4 :  An intrinsic semiconductor at room temperature has ____.
Answer: A few free electrons and holes

Question MCQ5 : Which of these theorems is frequently called “the parallel generator theorem”.
Answer: Millman's theorem

Question MCQ6 : ______ converters were generally used for frequency conversion in super heterodyne receivers in favour of a combination of a triode.
Answer: Pentagrid

Question MCQ7 : __________ vacuum tubes use a specially designed vacuum tube diode with a rotating anode to dissipate large amounts of heat developed during operation
Answer: Medical radiographic

Question MCQ8 : ______ vacuum tube is a special purpose tube filled with low - pressure gas or mercury, some of which vaporizes.
Answer: Thyratron

Question MCQ9 : ________ is extremely specialized tubes which is used for extremely precise, rapid high - voltage switching.
Answer: Klystron

Question MCQ10 : At room temperature, an intrinsic semiconductor has some holes in it due to ___.
Answer: thermal energy

Question MCQ11 : _________ replacement represented a major cost of operation for early radio receiver users.
Answer: Battery

Question MCQ12 : The discovery of the Edison effect led to the development of _______
Answer: Vacuum tube

Question MCQ13 : In vacuum tubes, electrons travel through vacuum and not through ________ material.
Answer: Conducting

Question MCQ14 : some vacuum tubes are filled with gas under low _________
Answer: Pressure

Question MCQ15 : Heat generated in vacuum tubes are mainly from the ________
Answer: Cathode

Question MCQ16 : ________ Materials are the foundation of modern electronics
Answer: semi conductor

Question MCQ17 : ___________ is a material with electrical conductivity due to electron flow which is intermediate in magnitude between that of a conductor and an insulator
Answer: Semiconductor

Question MCQ18 : Semiconductor materials are insulators at absolute zero _______
Answer: Temperature

Question MCQ19 : In a metallic conduction, current is carried by the flow of ________
Answer: Electrons

Question MCQ20 : The number of holes in an intrinsic semiconductor is ___.
Answer: equal to number of electron

Question MCQ21 : The free electron energy being the energy required for an electron to escape entirely from the ________
Answer: Material

Question MCQ22 : The process of adding controlled impurities to a semiconductor is known as _______
Answer: Doping

Question MCQ23 : usually the thermal energy available at room temperature is sufficient to ionize most of the _________
Answer: Dopant

Question MCQ24 : The P -N junction possesses some properties which have useful applications in modern _______
Answer: Electronics

Question MCQ25 : The forward bias and the reverse bias properties of the P-n junction imply that it can be used as a ________
Answer: Diode

Question MCQ26 : _______ is one of the simplest semiconductor devices.
Answer: Diode

Question MCQ27 : _______ has the characteristics of passing current in one direction only
Answer: Diode

Question MCQ28 : If the diode is reverse biased, only the leakage current of the intrinsic semiconductor ________
Answer: Flows

Question MCQ29 : _________ the voltage well beyond 0.7 Volt in silicon diodes may result in high enough current to destroy the diode
Answer: Increasing

Question MCQ30 : Transistors can generally be classified into ________
Answer: 2

Question MCQ31 : _________ is a semiconductor device used to amplify and switch electronic signals
Answer: Transistor

Question MCQ32 : ________ are commonly used as electronic switches for both high power applications and low power application such as gates
Answer: Transistor

Question MCQ33 : Holes act as ___.
Answer: positive charges

Question MCQ34 : An LC circuit can store electrical energy vibrating at its resonant _________
Answer: Frequency

Question MCQ35 :  To produce P-type semiconductors, we need to add ____.
Answer: trivalent impurity

Question MCQ36 :  The resonance effect occurs when inductive and capacitive reactances are equal to absolute __________
Answer: Value

Question MCQ37 : The total impedance is given by the sum of the inductive and _______
Answer: Capacitve

Question MCQ38 : A series resonant circuit provides __________ magnification
Answer: Current

Question MCQ39 : A parallel resonant circuit provides ________ magnification
Answer: Voltage

Question MCQ40 : Which of the following circuit elements can be described as unidirectional
Answer: Diode

Question MCQ41 : Due to high impedance, the gain of amplifier is a maximum at resonant---------
Answer: Frequency

Question MCQ42 : Passive filters are based on combination of the following except ______.
Answer: Transistor

Question MCQ43 : ______ element filters are usually constructed as a ladder network.
Answer: Multiple

Question MCQ44 : ______ attenuators in circuits are used to lower voltage, dissipate power, and to improve impedance matching.
Answer: Fixed

Question MCQ45 : Basic circuits used in attenuators are T pads and ____.
Answer: pi pads

Question MCQ46 : ______ converts alternating current at one voltage to the same waveform at another voltage.
Answer: Transformer

Question MCQ47 : _____ are sometimes used to match the impedances of circuits with different impedances.
Answer: Transformer

Question MCQ48 : _____ impedance matches are easiest to design and can be achieved with a simple L pad consisting of only two resistors.
Answer: Resistive

Question MCQ49 : A current source which generates a current based on another voltage and which output current is related to its input voltage by a gain factor is known as a
Answer: None of the options

Question MCQ50 : ___ is a circuit element which produces a voltage across its terminals which is proportional to the current which flows through it.
Answer: Resistance