Explore topic-wise MCQs in Engineering.

This section includes 9294 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.

501.

Match the following: List I List II A.JFET1.B.DMOSFET2.C.TRIAC3.D.Enhancement-only channel MOSFET4.

A. A-1, B-2, C-3, D-4
B. A-2, B-3, C-4, D-1
C. A-3, B-2, C-1, D-4
D. A-4, B-3, C-1, D-2
Answer» D. A-4, B-3, C-1, D-2
502.

Match the following: List I List II A.Bode1.Asymptotic plotsB.Evans2.Polar plotsC.Nyquist3.Root locus technique 4.M and N circles

A. A-1, B-4, C-2
B. A-2, B-3, C-4
C. A-3, B-1, C-4
D. A-1, B-3, C-2
Answer» E.
503.

Match the following: List I List II A.Conductor1.B.Semiconductor2.C.Insulator3.

A. A-1, B-3, C-2
B. A-3, B-1, C-2
C. A-1, B-2, C-3
D. A-2, B-3, C-1
Answer» B. A-3, B-1, C-2
504.

Match the following: List I List II A.LED1.Heavy DopingB.Avalanche Photodiode2.Coherent RadiationC.Tunnel diode3.Spontaneous EmissionD.LASER4.Current gain

A. A-2, B-4, C-3
B. A-2, B-3, C-1, D-4
C. A-3, B-4, C-1, D-2
D. A-2, B-1, C-4, D-3
Answer» D. A-2, B-1, C-4, D-3
505.

Match the following: List I List II A.1.B.2.C.3.D.4.

A. A-2, B-4, C-1, D-3
B. A-4, B-2, C-1, D-3
C. A-2, B-4, C-3, D-1
D. A-4, B-2, C-3, D-1
Answer» E.
506.

Match the following: List I (Types of N-bit ADC) List II (Characteristics)A.Flash converter1.Integrating TypeB.Successive2.Fastest converter approximationC.Counter ramp3.Maximum conversion time = N bitsD.Dual slow4.Used a DAC in its feedback path

A. A-2, B-3, C-4, D-1
B. A-1, B-3, C-4, D-2
C. A-2, B-4, C-3, D-1
D. A-1, B-4, C-3, D-2
Answer» B. A-1, B-3, C-4, D-2
507.

Match the following: List I List II A.e-t ⋃ (t)1.B.2.j X( )C.3.D.4.

A. A-1, B-4, C-2, D-3
B. A-3, B-2, C-4, D-1
C. A-1, B-2, C-4, D-3
D. A-3, B-4, C-2, D-1
Answer» E.
508.

Match the following: List I List II A.Detection of a periodic signal in noise1.Increase in bandwidthB.Recovery of a band limited signal from its uniformly sampled values2.Slope overload errorC.Finer quantization of signal3.Nyquist rateD.Delta modulation4.Cross correlation

A. A-4, B-3, C-1, D-2
B. A-3, B-4, C-2, D-1
C. A-4, B-3, C-2, D-1
D. A-4, B-2, C-1, D-3
Answer» B. A-3, B-4, C-2, D-1
509.

Match the following: List I List II A.200 MHz1.SHFB.20 GHz2.UHFC.500 kHz3.VHFD.500 MHz4.MF

A. A-3, B-1, C-4, D-2
B. A-3, B-2, C-4, D-1
C. A-3, B-4, C-1, D-2
D. A-3, B-4, C-2, D-1
Answer» B. A-3, B-2, C-4, D-1
510.

Match the following: List I List II A.( x E)ds = 01.Continuity equationB.rv.dv = Q2.Ampere's lawC.(J + D)ds3.Gauss lawD.-rvdv4.Faraday's lawE.H.dl = ( x H)ds5.Stoke's theorem

A. A-4, B-3, C-2, D-1, E-5
B. A-1, B-2, C-3, D-4, E-5
C. A-4, B-2, C-1, D-3, E-5
D. A-1, B-5, C-4, D-2, E-3
Answer» B. A-1, B-2, C-3, D-4, E-5
511.

Match the following: List I (Antenna) List II (Communication system) A.Turnstile1.RadarB.Yagi2.TV transmissionC.Dish3.MW broadcastingD.Vertical mast4.TV reception

A. A-4, B-2, C-3, D-1
B. A-2, B-4, C-1, D-3
C. A-2, B-4, C-3, D-1
D. A-4, B-2, C-1, D-3
Answer» D. A-4, B-2, C-1, D-3
512.

Match the following: List I List II A.PMMC1.Square law type scaleB.Moving iron2.Very good responseC.Thermo-couple3.Linear scaleD.Electrostatic4.Voltmeter

A. A-4, B-1, C-2, D-3
B. A-3, B-2, C-1, D-4
C. A-4, B-2, C-1, D-3
D. A-3, B-1, C-2, D-4
Answer» E.
513.

Match the following: List I (Microwave device) List II (Application) A.Reflex Klystron1.Wideband amplificationB.TWT2.Very low power amplificationC.Cavity Klystron3.Low power FM generationD.Maser4.Frequency multiplication

A. A-1, B-2, C-3, D-4
B. A-4, B-3, C-2, D-1
C. A-3, B-4, C-1, D-2
D. A-3, B-1, C-4, D-2
Answer» E.
514.

Match the following: List I (Properties) List II (Relations) A.Linear but NOT time-invariant1.y(t) = t2x(t)B.Time-invariant but NOT linear2.y(t) = t |x(t)|C.Linear and time invariant3.y(t) = |x(t)| 4.y(t) = x(t - 5)

A. A-1, B-3, C-4
B. A-2, B-3, C-4
C. A-3, B-1, C-2
D. A-1, B-2, C-3
Answer» B. A-2, B-3, C-4
515.

Match the following: List I List II A.Darlington amplifier1.A circuit using pnp and npn transistorsB.CB amplifier2.A CS amplifier driving a CG amplifierC.Cascade amplifier3.A circuit with over-all voltage gain close to 1 and very large input impedanceD.Complementary symmetry amplifier4.A circuit with low input impedance

A. A-1, B-2, C-3, D-4
B. A-2, B-1, C-3, D-4
C. A-3, B-4, C-2, D-1
D. A-4, B-3, C-2, D-1
Answer» D. A-4, B-3, C-2, D-1
516.

Match the following: List I (BJT amplifier) List II (Characteristics) A.CE1.good voltage gain, good current gainB.CC2.voltage gain less than 1, high current gainC.CB3.current gain less than 1, voltage gain high

A. A-1, B-2, C-3
B. A-1, B-2, C-3
C. A-3, B-1, C-2
D. A-3, B-2, C-1
Answer» C. A-3, B-1, C-2
517.

Match the following: List I List II A.Silicon1.Donor ImpurityB.Antimony2.Acceptor ImpurityC.Gallium3.Most Commonly used semiconductor materialD.Germanium4.Atomic number 32

A. A-3, B-1, C-2, D-4
B. A-2, B-3, C-1, D-4
C. A-1, B-2, C-3, D-4
D. A-4, B-3, C-2, D-1
Answer» B. A-2, B-3, C-1, D-4
518.

Match the following: List I List II A.Evanescent wave1.Pattern multiplicationB.Skip distance2.Mismatched transmission lineC.Return loss3.Propagation in lossy mediumD.Antenna array4.Short wave propagation 5.Propagation below cut-off

A. A-5, B-2, C-4, D-3
B. A-2, B-4, C-1, D-5
C. A-5, B-4, C-2, D-1
D. A-1, B-3, C-4, D-5
Answer» D. A-1, B-3, C-4, D-5
519.

Match the following: List I (Binary) List II (Hexadecimal) A.101010101.FFB.111111112.88C.100010003.92D.100100104.AA

A. A-4, B-1, C-2, D-3
B. A-1, B-2, C-3, D-4
C. A-3, B-1, C-2, D-4
D. A-1, B-3, C-4, D-1
Answer» B. A-1, B-2, C-3, D-4
520.

Match the following: List I List II A.Integrated fin line1.B.Dielectric loaded waveguide2.C.Ridge waveguide3.

A. A-1, B-2, C-3
B. A-2, B-3, C-1
C. A-3, B-2, C-1
D. A-2, B-1, C-3
Answer» C. A-3, B-2, C-1
521.

Match the following: List I (Operation in Basic) List II (Priority) A.Exponentiation1.1B.Multiplication and division2.2C.Addition and subtraction3.3D.Expression within parenthesis4.4

A. A-1, B-2, C-3, D-4
B. A-2, B-3, C-1, D-4
C. A-4, B-3, C-2, D-1
D. A-2, B-3, C-4, D-1
Answer» E.
522.

Match the following: List I (Double Rectifier) List II (Number of Diodes) A.Full wave Bridge rectifier1.1B.Half wave rectifier2.2C.Full wave rectifier using centre tapped transformer3.4

A. A-1, B-2, C-3
B. A-3, B-1, C-2
C. A-2, B-1, C-3
D. A-3, B-1, C-2
Answer» C. A-2, B-1, C-3
523.

Match the following: List I List II A.GTO1.Widely used in digital computersB.UJT2.Used for freewheelingC.Power Diode3.Can be turned off by negative gate signalD.MOSFET4.Used in generating triggering pulses

A. A-1, B-2, C-3, D-4
B. A-4, B-2, C-3, D-1
C. A-3, B-4, C-2, D-1
D. A-2, B-1, C-3, D-4
Answer» D. A-2, B-1, C-3, D-4
524.

Match the following: List I (Roots in s plane) List II (Impulse response) A.Two imaginary roots1.B.Two complex roots in right half plane2.C.A single root on negative real axis3.D.A single root at origin4.

A. A-2, B-3, C-1, D-4
B. A-1, B-2, C-3, D-4
C. A-4, B-3, C-2, D-1
D. A-3, B-2, C-4, D-1
Answer» B. A-1, B-2, C-3, D-4
525.

Match the following: List I (Microwave device) List II (Application)A.PIN diode1.Microwave amplificationB.GaAs MOSFET2.Low noise microwave generationC.Transferred electron device3.Electronic tuning of MW oscillatorD.Varactor diode4.Light wave detection

A. A-1, B-2, C-4, D-3
B. A-4, B-1, C-2, D-3
C. A-2, B-3, C-1, D-4
D. A-3, B-4, C-2, D-1
Answer» C. A-2, B-3, C-1, D-4
526.

Match the following: List I List II A.Digital counter1.Measurement of harmonicsB.Schering Bridge2.Measurement of frequencyC.Meggar3.Measurement of loss angle of dielectricD.Spectrum analyser4.Measurement of insulation resistance

A. A-1, B-2, C-3, D-4
B. A-4, B-3, C-2, D-1
C. A-2, B-3, C-4, D-1
D. A-4, B-1, C-3, D-2
Answer» D. A-4, B-1, C-3, D-2
527.

Match the following: List I List II A.IF noise1.Ganged tuningB.Image frequency2.Spurious responseC.Station selector3.Leaky filter capacitorD.Excessive Hum4.Mixer stage

A. A-3, B-2, C-1, D-4
B. A-2, B-3, C-1, D-4
C. A-1, B-2, C-3, D-4
D. A-4, B-2, C-1, D-3
Answer» E.
528.

Match the following: List I (Operator) List II (Description) A.! =1.Left shiftB.= =2.Right ShiftC.< <3.Equal toD.> >4.Not equal to

A. A-1, B-2, C-3, D-4
B. A-2, B-3, C-4, D-1
C. A-4, B-1, C-3, D-2
D. A-4, B-3, C-1, D-2
Answer» E.
529.

Match the following: List I List II A.1.a constantB.e-j 2.exponential functionC.3.t multiplied exponential functionD.k ( )4.rectangular pulse 5.impulse function

A. A-4, B-5, C-3, D-1
B. A-4, B-5, C-3, D-2
C. A-3, B-4, C-2, D-1
D. A-3, B-4, C-2, D-5
Answer» B. A-4, B-5, C-3, D-2
530.

Match the following: List I List II A.TTL1.Low propagation delayB.ECL2.Low power consumptionC.MOS3.High packing densityD.CMOS4.Saturated bipolar logic

A. A-4, B-1, C-3, D-2
B. A-4, B-3, C-1, D-2
C. A-4, B-3, C-2, D-1
D. A-3, B-1, C-4, D-2
Answer» B. A-4, B-3, C-1, D-2
531.

Match the following: List I (F.T and F.S) List II (Properties) A.Fourier Series1.Discrete, PeriodicB.Fourier Transform2.Continuous, PeriodicC.Discrete Time Fourier3.Discrete aperiodicD.Discrete Fourier Transform4.Continuous, aperiodic

A. A-3, B-4, C-2, D-1
B. A-1, B-2, C-4, D-3
C. A-3, B-2, C-4, D-1
D. A-1, B-4, C-2, D-3
Answer» B. A-1, B-2, C-4, D-3
532.

Match the following: List I List II A.Simple dipole1.B.Omnidirectional antenna2.C.Loop antenna3.

A. A-1, B-2, C-3
B. A-2, B-1, C-1
C. A-3, B-2, C-1
D. A-1, B-1, C-2
Answer» C. A-3, B-2, C-1
533.

Match the following: List I List II A.Fourier transform of a Gaussian function1.Gaussian functionB.Convolution of a rectangular pulse with itself2.Rectangular pulseC.Current through inductor for step input voltage3.Triangular pulse 4.Ramp function 5.Zero

A. A-1, B-2, C-3
B. A-2, B-4, C-5
C. A-1, B-3, C-4
D. A-2, B-3, C-5
Answer» D. A-2, B-3, C-5
534.

Match the following: List I List II A.T (Reflection coefficient) = 01.(ZL - Zo)/(ZL + Zo)B.T = - 12.ZL = ZoC.T = + 13.ZL = 0D.- 1 < T < + 14.ZL =

A. A-2, B-3, C-4, D-1
B. A-2, B-4, C-1, D-3
C. A-1, B-2, C-3, D-4
D. A-3, B-2, C-4, D-1
Answer» B. A-2, B-4, C-1, D-3
535.

Match the following: List I List II A.C1.7 eVB.Si2.1.15 eVC.Ge3.0.75 eVD.Sn4.0.1 eVE.Pb5.0 eV

A. A-2, B-3, C-4, D-5, E-1
B. A-1, B-2, C-3, D-4, E-5
C. A-3, B-1, C-2, D-5, E-4
D. A-4, B-5, C-1, D-2, E-3
Answer» C. A-3, B-1, C-2, D-5, E-4
536.

Match the following: List I (Diode circuit) List II (Name of the circuit)A.1.Positive limiterB.2.Positive clamperC.3.Negative clamper

A. A-2, B-3, C-1
B. A-1, B-2, C-3
C. A-2, B-1, C-3
D. A-3, B-1, C-2
Answer» B. A-1, B-2, C-3
537.

Match the following: List I (Memories) List II (Characteristic) A.Static PLA1.erasable, programmableB.CCD2.ultra high speedC.ECL3.stores large volume of dataD.GAL4.Does not need refreshing 5.Non-volatile

A. A-4, B-3, C-2, D-1
B. A-4, B-2, C-3, D-1
C. A-5, B-1, C-2, D-3
D. A-3, B-5, C-2, D-1
Answer» D. A-3, B-5, C-2, D-1
538.

Match the following: List I List II A.Copper1.produces discrete energy level just above valence bandB.Rubber2.produces discrete energy level just below conduction bandC.Antimony3.large forbidden gapD.Boron4.valence and conduction bands overlap

A. A-1, B-2, C-4, D-3
B. A-4, B-1, C-2, D-3
C. A-4, B-3, C-1, D-2
D. A-2, B-1, C-3, D-4
Answer» D. A-2, B-1, C-3, D-4
539.

Match the following: List I List II A.A1 cos 2pf1t1.B.A1 A2 cos 2pf1t cos 2pf2t2.v1 (t) v2 (t)C.3., f1, - f1D.f1 + f2, f1 - f2, - f1 + f2, - f1 - f24.A1 cos 1t

A. A-3, B-1, C-4, D-2
B. A-1, B-2, C-3, D-4
C. A-4, B-2, C-1, D-3
D. A-3, B-1, C-2, D-4
Answer» B. A-1, B-2, C-3, D-4
540.

Match the following: List I List II A.AM-DSB FC1.2B.WBFM2.1C.PCM3.3mD.AM-DSB4.22N

A. A-1, B-2, C-3, D-4
B. A-2, B-1, C-4, D-3
C. A-2, B-3, C-4, D-1
D. A-4, B-3, C-2, D-1
Answer» D. A-4, B-3, C-2, D-1
541.

Match the following: List I (Power device) List II (Max. frequency) A.Power Bipolar1.MHzB.Power MOSFET2.100 kHzC.SCR3.10 kHzD.Insulated gate bipolar transistor4.1 kHz

A. A-2, B-1, C-3, D-4
B. A-3, B-4, C-2, D-1
C. A-3, B-1, C-4, D-2
D. A-4, B-1, C-3, D-2
Answer» D. A-4, B-1, C-3, D-2
542.

Match the following: List I List II A.loop antenna1.flat lineB.folded dipole2.300 WC.SWR of 13.sharp broadside fullD.VHF band4.30 to 300 MHz

A. A-1, B-4, C-3, D-4
B. A-4, B-3, C-2, D-1
C. A-3, B-2, C-1, D-4
D. A-2, B-3, C-1, D-4
Answer» D. A-2, B-3, C-1, D-4
543.

Match the following: List I List II A.Sky wave1.parasitic elementsB.Antenna feed2.delta matchC.Reflector3.long-wire antennaD.Rhombic antenna4.ionosphere

A. A-1, B-3, C-4, D-2
B. A-2, B-1, C-3, D-4
C. A-1, B-2, C-3, D-4
D. A-4, B-2, C-1, D-3
Answer» E.
544.

Match the following: List I (Camera pick up tubes) List II (Special feature) A.Vidicon1.Highest sensitivityB.Plumbicon2.Temperature sensitiveC.Saticon3.Large lagD.New vicon4.Special target for red response

A. A-4, B-3, C-2, D-1
B. A-1, B-2, C-3, D-4
C. A-3, B-4, C-2, D-1
D. A-4, B-3, C-1, D-2
Answer» D. A-4, B-3, C-1, D-2
545.

Match the following: List I (Modes) List II (Characteristic)A.Evanescent1.Rectangular waveguide does not supportB.Dominant mode2.No wave propagationC.TM10 and TM013.Lowest cut-off frequency

A. A-1, B-2, C-3
B. A-2, B-3, C-1
C. A-1, B-3, C-2
D. A-2, B-1, C-3
Answer» C. A-1, B-3, C-2
546.

Match the following: List I List II A.Servomotor1.Error detectorB.Amplidyne2.TransducerC.Potentiometer3.ActuatorD.Flapper valve4.Power amplifier

A. A-3, B-1, C-2, D-4
B. A-4, B-3, C-2, D-1
C. A-3, B-4, C-1, D-2
D. A-3, B-4, C-2, D-1
Answer» E.
547.

Match the following: List I (Types of memory) List II (Used As)A.DRAM1.Cache memoryB.SRAM2.Main memoryC.Parallel Access Registers3.BIOS memoryD.ROM4.CPU registers

A. A-1, B-4, C-2, D-3
B. A-3, B-4, C-2, D-1
C. A-1, B-2, C-4, D-3
D. A-3, B-2, C-4, D-1
Answer» D. A-3, B-2, C-4, D-1
548.

Match the following: List I List II A.Reflex Klystron1.High efficiencyB.Dielectric loaded wave guide2.Slow wave structureC.TWT3.Cross field deviceD.Multi Cavity Klystron4.Oscillator

A. A-1, B-2, C-3, D-4
B. A-4, B-3, C-2, D-1
C. A-2, B-4, C-1, D-3
D. A-3, B-1, C-4, D-2
Answer» C. A-2, B-4, C-1, D-3
549.

The pole locations of three networks and their impulse responses are given figure List I List II A.1.B.2.C.3.

A. A-1, B-2, C-3
B. A-2, B-1, C-3
C. A-3, B-1, C-2
D. A-3, B-2, C-1
Answer» D. A-3, B-2, C-1
550.

Match the following: List I List II A.Tunnel diode1.is also known as hot carrier diodeB.PIN diode2.used with reverse biasC.Zener diode3.has an intrinsic layerD.Schottky diode4.v-i curve has shape of N

A. A-2, B-3, C-1, D-4
B. A-4, B-3, C-2, D-1
C. A-3, B-2, C-4, D-1
D. A-1, B-2, C-3, D-4
Answer» C. A-3, B-2, C-4, D-1