Q1 A device used to model the effect of magnetic fields on circuit variables is called __.
Q2 The force required to move a charge is called
Q3 is made of a bunch of “elements” connected with “ideal wires”.
Q4 Real sources of e.m.f have _, while idealized sources have
Q5
theorem states that a linear two-terminal circuit can be replaced by
an equivalent circuit of a current source in parallel with a resistor.
Q6 is the point of connection between two or more branches.
Q7 is closed path in a circuit.
Q8 The ability of an element to conduct electric current is appropriately known as
Q9 Millman’s Theorem is applicable only to those circuits which can be re-drawn accordingly. True or False
Q10 is any structured technique used to mathematically analyze a circuit.
Q11 Energy stored in a capacitor over a cycle when excited by an AC source is
Q12 A practical current source is usually represented by a resistance in parallel with an ideal current source. True or False _.
Q13 Impedance is represented as a quantity
Q14 A circuit element which restricts the value of voltage and current to zero is called
Q15 When voltage changes across the terminals of a capacitor, a current which is to the rate of voltage change is produced.
Q16 Multiple element filters are usually constructed as .
Q17 An LC circuit can store electrical energy vibrating at its
Q18 In FETs, the drain-to-source current flows via that connects the source region to the drain region.
Q19 Both FET and BJT are low-input-impedance device. True or False _.
Q20 The three terminals of a bipolar junction transistor are an emitter, base and
Q21 When a diode is connected in a Zero Bias condition, no external is applied to the PN junction.
Q22 The depletion region of P-N junction is one, that is depleted of
Q23 is a semiconductor device used to amplify and switch electronic signals.
Q24 The leakage in current of a P-N junction is caused by
Q25 A bulb rated at 60W, 120V is used for 30 minutes. The charge associated with this operation is
Q26 In a purely inductive circuit, the current lag the voltage by
Q27 The work done required to move an electron from infinity to a point in question is called
Q28 The continuum form of Ohm’s law is written as:
Q29 The process of creating equivalent circuits is called __.
Q30 The product of rms voltage and current with sine of the angle between them is called
Q31 The efficiency during maximum power transfer is equivalent to _.
Q32 Norton’s theorem is applicable to AC source. True or False _.
Q33 When the strength of voltage or current changes in the source for any change in the connected network they are called .
Q34 Current source includes ,
Q35 When current through the inductor is constant, the voltage is
Q36 An operational amplifier is not a good example of a macro model. True or False
Q37 The ratio of the phasor voltage across an element to the phasor current through the element is called
Q38 Reciprocal of impedance is called
Q39 These circuit elements which are not the ideal counterpart of any real component are
Q40 A source with two terminal circuit elements whose terminal voltage is independent of the current drawn from it is called
Q41 A voltage source which generates a voltage based on it inputs voltage is known as
Q42 A measure of the amount of charges stored in an inductor is called
Q43 The unit of inductance is called .
Q44
states that the current through a conductor between two points is
directly proportional to the potential difference or voltage across the
two points
Q45 is a circuit element which produces a voltage across its terminals which is proportional to the current which flows through it
Q46 The algebraic sum of the potential difference in a closed loop of a circuit is always equal to zero. True or False
Q47 The process of using Ohms Law to take an existing voltage source
in series with a resistance, and replace it with a current source in
parallel with the same resistance is called
Q48 A single impedance has two terminals to connect to the outside world can be described as
Q49 Maximum power transfer does not imply maximum efficiency. True or False
Q50 Kirchhoff’s Voltage Law relates __, while Kirchhoff’s Current Law results from .
Q51 Dual Miller theorem is usually implemented by an arrangement consisting of supplying the grounded impedance Z through floating impedances
Q52 For loads connected directly to a dc voltage supply, maximum power
will be delivered to the load when the load resistance is equal to the
internal resistance of the source. True or False
Q53
is an analytic technique for simplifying the process of deriving
driving point and transfer functions for linear electronic circuits
Q54 The reactance of a passive, lossless two-terminal (one-port)
network always monotonically increases with frequency. This theorem is
called
Q55 Semiconductor
materials are insulators at absolute zero temperature but conduct
electricity at room temperature. True or False
Q56 The process of modifying the electronic properties of semiconductors by introducing impurities is called __.
Q57 In fabrication of semiconductor devices, have the important effect of shifting the material's Fermi level towards the that corresponds with the dopant with the greatest concentration
Q58 Introduction of group V elements and group III elements of the periodic table into silicon crystals forms , respectively
Q59 Passive linear filters active which do not depend upon an external
power supply and do not contain components such as transistors are
based on combinations of _, , __,
Q60 Transistors can be classified into , .
Q61 MOSFET can be used as a
Q62 When the load impedance does not exactly match
the line impedance and the load has reactive components in addition to
its resistance, the line is said to be________
Q63 An electric circuit with 10 branches and 7 nodes will have
Q64 Why are the variable attenuators applicable for radio broadcasting purposes?
Q65 A network N' is dual of network N if
Q66 ___________ is a semiconductor device used to amplify and switch electronic signals
Q67 In an ideal diode there is no breakdown, no __________ current, and no forward ________ drop.
Q68 A 12 V car battery is connected to a 1 micro Farad capacitor. Calculate the energy that will be stored in the capacitor
Q69 In a bipolar transistor, the base collector junction has
Q70 The circuit whose properties are same in either direction is known as:
Q71 Special transmission lines constructed with
copper patterns on a printed-circuit board that can be used as tuned
circuits, filters, or impedance-matching circuits are called__________
Q72 Application of Norton's theorem to a circuit yields
Q73 The control grid in Pentode is provided between
Q74 Free electrons exist in:
Q75 The forbidden gap for germanium is
Q76 The vacuum tube that cannot be used as an amplifier is:
Q77 While calculating Rth in Thevenin's theorem and Norton equivalent
Q78 Find the reactance of a 0.2 Henry inductor at 50 Hertz frequency. At what frequency the reactance is 500 Ohms
Q79 Bridge T network can be used as:
Q80 Source transformation can be performed on:
Q81 The purpose of attenuator in electronics is to:________.
Q82 A capacitor is generally a
Q83 In an intrinsic semiconductor, the Fermi level
Q84 An attenuator operates on:
Q85 In a bipolar transistor, the emitter base junction has:
Q86 The energy gap in a semiconductor
Q87 In a series resonant band-pass filter, a lower value of Q results in_______
Q88 The following are the benefits of transistors over vacuum tubes in most applications:
Q89 In a Pentode tube, a control grid is provided to:
Q90 At a certain frequency, the output voltage of a filter is 6 V and input is 12 V. What is the filter's bandwith?
Q91 The forward-bias and the reverse-bias properties of the p-n junction imply that it can be used as:
Q92 In a certain parallel resonant band-pass filter,
the resonant frequency is 14kHz. If the bandwidth is 4kHz, the lower
frequency is:
Q93 Vacuum tubes are useful in:
Q94 At room temperature, the current in an intrinsic semiconductor Is due to:
Q95 "Maximum power output is obtained from a network
when the load resistance Is equal to the output resistance of the
network as seen from the terminals of the load". The above statement is
associated with
Q96 In a triode, the value of parasitic capacitance increases as:
Q97 If anode of vacuum tube is not connected to any external circuit and cathode is heated then
Q98 Which of the following is non-linear circuit parameter?
Q99 The following vacuum tubes are applicable in electronics, where more than two grids are needed, EXCEPT
Q100 Kirchhoff's voltage law is related to
Q101 How many free electrons does a p-type semiconductor has?
Q102 When two alternating waves attain their peak values simultaneously the waves are
Q103 Kirchhoff's current law is applicable to only
Q104 Triodes usually produce more noise as compared to Pentodes
Q105 To determine the polarity of the voltage drop across a resistor, it is necessary to know
Q106 In vacuum diode, emission of electron is achieved by:
Q107 Which of the following is correct about semiconductors?
Q108 Two resistor of 12Ω and 4Ω respectively are connected in parallel. The effective resistance will be:
Q109 Introduction of impurities into semiconductors for modification of electronic properties is called_____
Q110 The complex numbers that represent the complex amplitude of a sinusoidal function of time is called_________
Q111 Two or more braches of a circuit are connected at a point called _________.
Q112 Several leakage of electric current of a p-n junction is due to_______
Q113 Vacuum tubes require how many sources of electrical power?
Q114 According to Kirchhoff's voltage law, the
algebraic sum of all potential difference across resistors and e.m.fs.
In any closed loop of a network is always
Q115 Electronic signals can be amplified and swithed using
Q116 Electric circuit theorem that states that a
linear two-terminal circuit can be replaced by an equivalent circuit of a
current source in parallel with a resistor is called_______
Q117 A voltage source without any internal resistance is called ______
Q118 Kirchhoff's second law is based on law of conservation of
Q119 The properties of a phasor include the following except_______
Q120 The device that is used to store magnetic charges is called______