a.) Resistance

b.)  Reactance

c.) Impedance

d.) None

 Oscillator crystal are made of –

a.) Silicon

b.) Germanium

c.) Quartz

d.) None

a. )Air

b. )Ferrite

c.) Powdered ion

d.) Steel

 If we have a parallel plate capacitor of plate area 'A' and plate separatoin t and having a capacity C and a metallic plate r of area A and of negligible thickness is introduced in the capacitor at a distance   from either of the two plates as shown in the given figure then the capacity of the capacitor will become –

 A superconductor is a –

a.) A material showing perfect conductivity and Meissner effect below a critical temperature

 When an inductor tunes at 200 KHz with 624 pF capacitor and at 600 KHz with 60.4 pF capacitor then the self capacitance of the inductor would be –

a) 8.05 pF

 Sparking occur when a load is switched off because the circuit has high –

a.) Inductance

 Sparking between contacts can be reduced by inserting a –

a.) Resistance in the line

 RF amplifier of an A.M. receiver is normally biased in –

a.) Class 'A'

 The value of gate voltage for the operation of enhancement of only N channel MOSFET has to be –

a.) High positive

 The input gate current of a FET is –

a.) a few microamperes

 In the following fig. with R = 30k, the value of current through 2 K resistor is –

a.) 25 mA

 A step recovery diode –

a.) has on extremely short recovery time

 In order to get maximum undistorted output signal from CE amplifier with V_CC 10V, the value of V_CE (Q) should be approximately-

a.) 0.1V

 In a FET the electrode, which corresponds to collector in bipolar transistor, is –

a.) source

a.) Triac

 A typical optical fibre has –

a.) High refractive index core and low refractive index cladding

 In the following figure circuit diagram of an op-amp based is shown. The ratio is equal to –

a.) 3 – j1

a.) 5

a.) Z₀ cot h Öl

a.) l

a. ) ROM

a.) cos50tA

b.) 2A

c.) 2cos100tA

d.) 2sin50tA

a) 9W, 6W and 6W

b.) 6W, 6W and 9W

c.) 9W, 6W and 9W

d.) 6W, 9W and 6W

 a.)   Electric field potential

 b.)   Potential

c .)   Charge

d.)   None of the above

a.) Are parallel to each other

b.)Are one and same

c.) Cut each other orthogonally

d.)Can be inclined to each other at any angle

a.)  In the +x direction

b.) In the –x direction

c. ) In the +y direction

d.) In the –y direction

a.) TM₀₁

b.)TE₁₀

c.) TM₁₁₂

d.)TE₁₁

a.) Decrease to finite non-zero value

b.)Remain the same

c. )Increase

d.)Decrease to zero

a.) A short – circuited stub at the load

b.)An inductance at the load

c. )A short circuited stub at a specific distance from the load

d.)none of the above

a.) less accurate

b.) more accurate

c.) equally accurate

d.) none.

a.) VTVM

b.) Cathode ray oscilloscope

c.) Moving iron voltmeter

d.) Digital multimeter 

a.) power can be measured using two wattmeter method only for star connected three phase circuits.

b.) when two meter show indentical readings, in the power factor is 0.5.

c.) when power factor is unit, one of the wattmeter reads zero

d.) when the reading of the two wattmeters are equal but of opposite sign, then the power factor is zero –

a.) 11.1

b.) 44.2

c.) 52.3

d.) 66.3

a.) is independent of frequency

b.) increases monotonically as frequency increases

c.) decreases monotonically as frequency increases

d.) increases upto a certain frequency and then decreases beyond that frequency

a.) PPM (pulse position modulation)

b.) PAM (pulse amplitude modulation)

c.) PCM (pulse code modulation)

d.) PDM (pulse duration modulation)

 Radiation pyrometers are used for  the measurement of temperature in the range of –

a.) -200⁰C to 500⁰C

b.) 0⁰C to 500⁰C

c.) 500⁰C to 1200⁰C

d.) 1200⁰C to 2500⁰C

 In the given figure band structure is shown. It is of –

a.) Gallium Avesenide (GaAs)

b.) Silicon (Si)

c.) Copper (Cu)

d.) Germanium (Ge)

When anode is positive with respect to cathode in an SCR, the numbers of blocked p-n junction is –

a.) 1         

b.) 2         

c.) 3         

d.) 4

 The circuit symbol for a GTO is

a.   b.   

a.) 1 phase to 1 phase with continuous conduction

b.) 1 phase to 1 phase with discontinuous conduction

c.) step up device

d.) 3 phase to 1 phase device

In   the given fig. A-1, C=5, m H and C=20 m F, C is initially charged to 200 V. After the switch.

S is closed at t = 0 the

maximum value of current and the

time at which it reaches this value are respectively.

a.) 400 A, 15.707 mS

c.) 100 A, 62.828 mS

d.) 400 A, 31.414 mS

a.) 200 A

b.) 170.7 A

c.) 141.4 A

d.) 70.7 A

The high 3-db frequency of the amplifier will approximately

a.) 5850 KHZ

b.)585 KHZ

c.) 5850 HZ

d.)585HZ

a). Higher current carrying

b.)Lower ripple factor

c.) Higher efficiency

d.)Lower peak increase voltage require

a.) If the conduction angle decrease

b).If the conduction angle increase

c.) Are not governed by the conduction angle

d.)None of the above

a.)75

b.)76

c.)75/76

d.)-75

a.) It is biased almost to saturation

b.)Its quiescent current is low

c.)It’s output is an exact replica of it’s input

d.)It is biased well below cut off

a.) Direct coupling

b.)Impedance coupling

c.) R C coupling

d.)Transformer coupling

a.) Current series feedback

b.)Current shunt feedback

c.) Voltage series feedback

d.)Voltage shunt feedback

a.) PISO shift register

b.) SOIP shift register

c.) SIPO shift register

d.) POIS shift register

a.) bulk information

b.) information to be accessed rarely

c.) sequence information

d.) relatively permanent information 

a.) Output bit combination

b.) analog output voltage

c.) input bit combination

d.) none of the above

a.) s = 0, R = 0

b.) s = 1, R = 1

c.) s = 0, R = 1

d.) s = 1, R = 0

a) TTL

b.) RTL

c.) DCTL

d.) ECL

 a.) (A+B) (A+B) = AA + AB + BA + BB

 c.) A + AB = A

 d.) None of the above 

a.) 2
b.) 4

c.) 6

d.) 8

a.) increase the transmission capacity

b) improve noice performance

c.) incorporate error control coding

d.) eliminate dc component in the transmitted signal

a.)

a.) A windscreen wiper

b.) Aqualung

c.) Respiratory system of an animal

d.) A system for controlling Anti-rocket missiles.

1.  (5 – 4e^-2+) u(t)

2.  (e^-2t +5) (u(t))

3 .V(t) + 8e^-2t u(t)

4 . V(t) + 4e^-2t 4(t)

Those which correspond to the step and impulse response of the same system include-

a.) 1&3

b.) 1&4

c.) 2&4

d.) 1&4

To test its stability by Lyapunov’s method the following  V functions are considered.

Mark the most suitable V-function in this case-

a.) Only V₁

b.) Only V₂

c.) Both V₁ and V₂

_d.) Neither V₁ nor v₂

1. Ratio of Fourier transform of output to input with zero initial conditions.

2. Ratio of Laplace transform of output to input with zero initial conditions.

3. Laplace transform of system impulse response.

4. Laplace transform of system unit step response select the correct answer using the codes given below.

Codes

a.) 1 and 4

b.) 2 and 3

c.) 1 and 3

d.) 2 and 4

The Nyquist sampling state in t seconds is

a.) 150 samples per second

b.) 200 samples per second

c.) 300 samples per second

d.) 350 samples per second

a.) 34 and 106

b.) 52. And 88 

c.) 106 and 142

d.) 34 and 142

a.) Pulse radar

b.) Tracking radar

c.) MTI radar

d.) Mono pulse radar

a.) The attenuation is higher than at 0.85 mm

b) The attenuation is higher than at 1.3mm

c.) Suitable laser devices have not yet been developed

d.) It does not lend itself to wavelength multiplexing

a.) Compression of the modulating signal

b.) Expansion of the modulating signal

c.) Amplification of lower frequency components of the modulating signal.

d.) Amplification of higher frequency components of the modulating signal.

a.) reflection from the ionosphere

b.) line of sight mode

c) reflection from the ground

d.) diffraction from the stratosphere.

a.) increase the gain of the system

b). increase the bandwidth of the system

c.) reduce the size of the main reflector

d.) allow the feed to be placed at a convenient point.

a.) scattering of microwaves by water drops of specific size.

b) scattering of microwaves by a collection of droplets acing as a single body.

c.) absorption of microwaves by water and consequent heating of the liquid

d.) absorption of the microwaves by water vapor in the atmosphere.

a.) an astable multivibrator

b.) A monostable multivibrator

c.) Voltage controlled oscillator

d.) Ramp generator

a.) TM₀₀

b.) TM₀₁

c.) Tm₁₀ 

d.) TM₁₁

a). port  4

b). port  3

c.) port 2.

d.) port 3 & 4.

 For high power i.e. 10 w to 50 kw measurement –

a.) Barometer are used

b.) Thermisters are used

c.) Calorimetric technique

d.) Calorimetric watt meter technique used

The difference between TWT & klystron is –

a.) In TWT electrons are in contact with RF field for long time & in klystron for short time

b.) In klystron electrons are in contact with RF field for long time & in TWT for short time

c.) In klystron there is no contact in RF field & electrons while in TWT there is contact

d.) In TWT phase is no contact is RF field & electrons while in klystron there is contact

Which one is most suitable for transmission through wave guide-

a.) Hown antennas

b.) Bioconical antennas

c.) helical antenna

d. )Discone

 The skip distance of microwave is given by –

a.)

  How many general purpose registers 8085mp-

a.) 4

b.) 6

c.) 8

c.) 10

  8085 mP has no. of addressing modes-

a.)  2

b.) 3

c.)  4

d.) 5

What will be status of z and c y flag after execution of SUB A instruction

a.)  z = 0, cy = 0

b.) z = 0, cy = 1

c.)  z = 1, cy = 0

d.) z = 1, cy = 1

Microprocessor accept interrupt only if.

a.)  interrupt flip flop disabled.

b.) when INTA signal is low.

c. ) interrupt flip flop enabled.

d.) none of above.

Microprogramming is a technique

a.) for programming the microprocessor

b.) for writing small programs efficiently

c.) for programming the control steps of computer

d.) for programming o/p / i/p

a.) interpreter

b.) compiler

c.) operating

d.) system

a.) 253

b.) 263

c.) 273

d.) 283

a.) NAND

b.) NOR

c.) AND

d.) NOPE.

a.) has multiple i/p and single o/p

b.) has multiple i/p and multiple o/p

c.) has multiple i/p and multiple o/p

d.) has single i/p and single o/p 

a.) fascination

b.) open approval.

c.) Indulgent tolerance.

d.) Scornful.

Hurray! We won the match

a.) Exclamatory

b.) assertive

c.) Negative

d.) Affirmative

a.) hour

b.) M. A.

c.) Umbrella

d.) Man

a.) freshly

b.) freshen

c.) fresheners

d.) fresh itself

a.) Simile

b.) inversion

c.) onomatopoeia

d.) irony 

a.) Pentafour software

b) Infosys

c.) IBM

d.) Wipro 

a.) Lata Mangeshkar and Zakeer Hussain

b.) Zakeer Hussain and Bismillah Khan

c.) Bismillah Khan and Lata Mangeshkar

d.) Lata Mangeshkar and Ustad Amzad Ali Khan

a.) 42^nd

b.) 43^rd

c.) 40^th

d.) 45^th

a.) T. Venkat Naidu

b.) K. Hari Harh

c.) N. Rengaswany

d.) M.    Mudliar

a.) 311

b.) 329

c.) 356

d.) 365 

a.) Running bird

b.) Flying bird

c) Swimming bird

d.) Migratory bird

a.) Oxygen

b.) Nitrogen

c.) Ozone

d.) Carbon-dioxide

a.) Rice

b.) groundnut

c.) Sugarcane

d.) gram

a.) Help in reconstruction and development of world economy

b.) Facilitate poor countries to trade on concessional rates

c.) Promote growth of international trade and equilibrium in balance of payments

d.) Ease trade barriers and establish rule of fair trade

a. )Water

b.) Air

c.) Steel

d.) Vacuum

a.) Subhash Chandra Bose

b.) Jawaharlal Nehru

c.) Lajpat Rai

d.) Bhagat Singh

a.) Hockey

b.) Tennis

c.) Football

d.) Badminton

a.) 1908

b.) 1910

c.) 1913

d.) 1914

a.) May 18, 1975

b.) May 20, 1974

c) May 17, 1974

d.) May 17, 1974

a.) Asian development Bank

b.) World Bank

c.) Swiss Bank

d.) Reserve Bank of India