Choose the most appropriate statement: (A) Bandwidth is defined w.r.t. impedance

Choose the most appropriate statement: (A) Bandwidth is defined w.r.t. impedance (B) Bandwidth is defined w.r.t. gain (C) Bandwidth is defined w.r.t. polarization (D) All of the above
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Choose the most appropriate statement: (A) Bandwidth is defined w.r.t. impedance (B) Bandwidth is defined w.r.t. gain (C) Bandwidth is defined w.r.t. polarization (D) All of the above

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Indicate the false statement A. The noise generated in a resistance or the resistive component of any impedance is random. B. Random noise power is proportional to the bandwidth over which is measured C. A random voltage across the resistor does not exist D. All formula referring to random noise are applicable only to the value of such noise.

Description : Indicate the false statement A. The noise generated in a resistance or the resistive component of any impedance is random. B. Random noise power is proportional to the bandwidth over which is measured ... exist D. All formula referring to random noise are applicable only to the value of such noise.

Last Answer : C. A random voltage across the resistor does not exist

Calculate the noise figure of the receiver whose RF amplifier has an input resistance of 1000Ω and an equivalent shot-noise resistance of 2000Ω, a gain of 25 and load resistance of 125 kΩ. Given that the bandwidth is 1.0MHz and the temperature is 20˚C, and that the receiver is connected to an antenna with an impedance of 75Ω. A. 30.3 B. 3.03 C. 303 D. .303

Description : Calculate the noise figure of the receiver whose RF amplifier has an input resistance of 1000Ω and an equivalent shot-noise resistance of 2000Ω, a gain of 25 and load resistance of 125 kΩ. Given that the bandwidth is 1. ... to an antenna with an impedance of 75Ω. A. 30.3 B. 3.03 C. 303 D. .303

Last Answer : A. 30.3

Which preamplifier design (high-impedance or transimpedance) provides improvements in bandwidth and greater dynamic range with some degradation in sensitivity from an increase in noise?

Description : Which preamplifier design (high-impedance or transimpedance) provides improvements in bandwidth and greater dynamic range with some degradation in sensitivity from an increase in noise?

Last Answer : Transimpedance.

Indicate the false statement. Noise figure is defined as A. the ratio of the S/N power supplied at the input terminal of a receiver or amplifier to the S/N power supplied to the output or load resistor B. noise factor expressed in decibels C. an unwanted form of energy tending to interfere with the proper and easy reception and reproduction of wanted signal D. S/N of an ideal system divided by S/N at the output of the receiver or amplifier under test, both working at the same temperature over the same bandwidth and fed from the same source

Description : Indicate the false statement. Noise figure is defined as A. the ratio of the S/N power supplied at the input terminal of a receiver or amplifier to the S/N power supplied to the output or ... under test, both working at the same temperature over the same bandwidth and fed from the same source

Last Answer : C. an unwanted form of energy tending to interfere with the proper and easy reception and reproduction of wanted signals

Choose appropriate option from given alternatives such that the relationship defined by ‘:’ is preserved. PNIJ : LIFC and VTRP : ______ (1) ROLI (2) SOLH (3) RPOM (4) DMEN

Description : Choose appropriate option from given alternatives such that the relationship defined by ‘:’ is preserved. PNIJ : LIFC and VTRP : ______ (1) ROLI (2) SOLH (3) RPOM (4) DMEN

Last Answer : (1) ROLI

Choose the most appropriate statement (A) An antenna can radiate only HF signals

Description : Choose the most appropriate statement (A) An antenna can radiate only HF signals (B) An antenna can radiate and receive HF signals (C) An antenna can receive only HF signals (D) An antenna can receive and transmit simultaneously HF signals

Last Answer : Choose the most appropriate statement (A) An antenna can radiate only HF signals (B) An antenna can radiate and receive HF signals (C) An antenna can receive only HF signals (D) An antenna can receive and transmit simultaneously HF signals

Draw a circuit diagram of R.C. series circuit. Draw impedance triangle and power triangle for same circuit.

Description : Draw a circuit diagram of R.C. series circuit. Draw impedance triangle and power triangle for same circuit. 

Last Answer : Draw a circuit diagram of R.C. series circuit. Draw impedance triangle and power triangle for same circuit. 

An independent voltage source in series with an impedance ZS=R+jXS delivers a maximum average power to

Description :  An independent voltage source in series with an impedance ZS=R+jXS delivers a maximum average power to a load impedance ZL when A) ZL = R B) ZL = jXS C) ZL = R-jXS D) ZL = R+jXS 

Last Answer :  An independent voltage source in series with an impedance ZS=R+jXS delivers a maximum average power to a load impedance ZL when ZL = R-jXS

In an R-C-L series circuit, during resonance, the impedance will be _____.

Last Answer : In an R-C-L series circuit, during resonance, the impedance will be minimum.

Receiver bandwidth is defined as those frequencies spread between what two points of the receiver response curve?

Description : Receiver bandwidth is defined as those frequencies spread between what two points of the receiver response curve?

Last Answer : Half-power points.

Let R and S be two fuzzy relations defined as: Image Then, the resulting relation, T, which relates elements of universe x to elements of universe z using max-min composition is given by

Description : Let R and S be two fuzzy relations defined as: Then, the resulting relation, T, which relates elements of universe x to elements of universe z using max-min composition is given by

Last Answer : Answer: C

Which of the following statement is not true w.r.t. nephron?

Description : Which of the following statement is not true w.r.t. nephron?

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State advantages of Pulverized coal w.r.t. thermal power plant.

Description : State advantages of Pulverized coal w.r.t. thermal power plant. 

Last Answer : Advantages of Pulverized coal w.r.t. thermal power plant.  1. Due to pulvarization amount of fuel required to produce same amount of heat reduces. 2. Time required for combution reduces ... of air and thorough mixing of air and fuel, very high-combustion temperatures can be attained.

What are two common concerns in a cloud environment? (Choose two.) A. Inability to use proxy servers and load balancers. B. Not enough computing capacity during peak usage times. C. Illegal access to private data stored by applications in the cloud. D. Running out of storage space and network bandwidth at peak usage times. E. If two guest instances are running on the same host or on different hosts connected to the same physical ethernet, they should not be able to read or modify each other's network traffic.

Description : What are two common concerns in a cloud environment? (Choose two.) A. Inability to use proxy servers and load balancers. B. Not enough computing capacity during peak usage times. C. Illegal access ... same physical ethernet, they should not be able to read or modify each other's network traffic.

Last Answer : Illegal access to private data stored by applications in the cloud.If two guest instances are running on the same host or on different hosts connected to the same physical ethernet, they should not be able to read or modify each other's network traffic

A linear network has a current input 4cos(ω t + 20º)A and a voltage output 10 cos(ωt +110º) V. Determine the associated impedance.

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Last Answer : Solution

The necessary and sufficient condition for a rational function of, T(s) to be driving point impedance of an RC

Description : The necessary and sufficient condition for a rational function of, T(s) to be driving point impedance of an RC network is that all poles and zeros should be

Last Answer : The necessary and sufficient condition for a rational function of, T(s) to be driving point impedance of an RC network is that all poles and zeros should be simple and and lie on the negative axis in the s -plane

Two transformers of identical voltages but different capacities are operated in parallel, for satisfactory load sharing: a) Impedances should be equal b) Per unit impedance must be equal c) per unit impedance and X/R ratio must be equal d) Impedance and X/R ratio must be equal

Description : Two transformers of identical voltages but different capacities are operated in parallel, for satisfactory load sharing: a) Impedances should be equal b) Per unit impedance must be equal c) per unit impedance and X/R ratio must be equal d) Impedance and X/R ratio must be equal

Last Answer : Ans: C

The formula for computing impedance in a series circuit containing resistance, capacitance, and inductance is _____________. [ NOTE: the symbol * stands for 'multiplied by' ] A. Z = RT + XL + XC B. Z = R + XL - XC C. Z * Z = R * R + (XL - XC) * (XL - XC) D. Z = R * R + (XL * XC) - (XL * XC)

Description : The formula for computing impedance in a series circuit containing resistance, capacitance, and inductance is _____________. [ NOTE: the symbol * stands for 'multiplied by' ] A. Z = RT + XL + XC B. Z = R + XL - XC C. Z * Z = R * R + (XL - XC) * (XL - XC) D. Z = R * R + (XL * XC) - (XL * XC)

Last Answer : Answer: C

What will happen if transformer in parallel connection have different percentage impedance or X/R ratio ?

Description : What will happen if transformer in parallel connection have different percentage impedance or X/R ratio ?

Last Answer : A difference in the ratio of the reactance value to resistance value of the per unit impedance results in a different phase angle of the currents carried by the two paralleled transformers; one ... of the combined output. Hence, the real power will not be proportionally shared by the transformers.

The output of SR flip flop when S=1, R=0 is (A) 1 (B) 0 (C) No change (D) High impedance

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Calculate the characteristics impedance for a transmission line having L=0.5 mH/Km, C=0.08 µF and negligible R and G.

Description : Calculate the characteristics impedance for a transmission line having L=0.5 mH/Km, C=0.08 µF and negligible R and G.

Last Answer : L=0.5 mH/Km C=0.08 µF

The parameters of Transmission line are R = 50 Ω/ km, L= 1mH/km ,C = 0.1µf/km, G = 2µV/km. calculate characteristic impedance.

Description : The parameters of Transmission line are R = 50 Ω/ km, L= 1mH/km ,C = 0.1µf/km, G = 2µV/km. calculate characteristic impedance.

Last Answer : The parameters of Transmission line are R = 50 Ω/ km, L= 1mH/km ,C = 0.1µf/km, G = 2µV/km. calculate characteristic impedance.

Write equation of resultant impedance in R-L circuit.

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In an L-C -R search circuit connected to an AC source `V=V_(0)sin(100pi+(pi)/(6))``V_(R)=40V, V_(L)=40 and V_(C )=10V`, resistance `R=4Omega` Choose t

Description : In an L-C -R search circuit connected to an AC source `V=V_(0)sin(100pi+(pi)/(6))``V_(R)=40V, V_(L)=40 and V_(C )=10V`, resistance `R=4Omega` Choose t

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An audit process is a well-defined methodology for organizing an audit to ensure that a. The evidence gathered is both sufficient and competent. b. All appropriate audit objectives are specified. c. All appropriate audit objectives are met. d. All of these

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What is the impedance of a one microfarad capacitor at 60 Hertz: w) 16,700 ohms x) 2,650 ohms y) 3.8x10-4 ohms z) 6x10-5 ohms

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In AC Circuit Theory, the term that replaces the resistance is: w) inductance x) capacitance y) impedance z) reactance

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The transistor configuration to connect 4 W speaker with 600 W output impedance audio

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Last Answer : The transistor configuration to connect 4 W speaker with 600 W output impedance audio amplifier is Common Collector

Coordinate of â–¡ABCD is WCS are: lowermost corner A(2,2) & diagonal corner are C(8,6). W.r.t MCS. The coordinates of origin of WCS system are (5,4). If the axes of WCS are at 600 in CCW w.r.t. the axes of MCS. Find new vertices of point A in MCS. a.(4.268, 6.732) b.(5.268, 6.732) c.(4.268, 4.732) d.(6.268, 4.732)

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Last Answer : a.(4.268, 6.732)

Rotation is simply---------object w.r.t origin or centre point. a.Turn b.Shift c.Compression d.Drag element

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Description : Find out the incrrect pair w.r.t. cockroach-

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Description : Mark the incorrect match w.r.t. function -

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Description : Which of the statements is incorrect w.r.t. melatonin hormone ?

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Description : Explain the use of %i format specifier w.r.t scanf().

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Description : W.R.T Sales and Lead Generation, Web Analytical can be useful in  Providing actionable data  Lead Generation  Reactive Sales Technique  All of the above

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If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is (A) w (R + T)/T (B) w (R² + T²)/T (C) w (R + T)/T (D) w (R/T)

Description : If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is (A) w (R + T)/T (B) w (R² + T²)/T (C) w (R + T)/T (D) w (R/T)

Last Answer : Answer: Option B

Product planne t planners must desi st design the ac gn the actual pr tual product an oduct and find w d find ways to _ ays to _____ it ____ it in orde in order to create the bundle of ben create the bundle of benefits that will provide the efits that will provide the most satisfying custome most satisfying customer experience. r experience. a. core benefit b. package package c. brand d. augment

Description : Product planne t planners must desi st design the ac gn the actual pr tual product an oduct and find w d find ways to _ ays to _____ it ____ it in orde in order to create the bundle ... custome most satisfying customer experience. r experience. a. core benefit b. package package c. brand d. augment

Last Answer : d. augment

In a d.c. machine, the armature mmf is (A) stationary w.r.t. armature. (B) rotating w.r.t. field. (C) stationary w.r.t. field. (D) rotating w.r.t. brushes.

Description : In a d.c. machine, the armature mmf is (A) stationary w.r.t. armature. (B) rotating w.r.t. field. (C) stationary w.r.t. field. (D) rotating w.r.t. brushes.

Last Answer : (C) stationary w.r.t. field.

Explain the effect of eccentric load with sketch w.r.t stresses developed

Description : Explain the effect of eccentric load with sketch w.r.t stresses developed

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Compare a simply supported beam and a continuous beam w.r.t deflected shape of a beam.

Description : Compare a simply supported beam and a continuous beam w.r.t deflected shape of a beam.

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Describe following terms w.r.t. Analog voltmeter : (i) Sensitivity (ii) Loading effect

Description : Describe following terms w.r.t. Analog voltmeter : (i) Sensitivity (ii) Loading effect

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_______ is the angle of a fault plane w.r.t. vertical. (A) Hade (B) Throw (C) Heave (D) Dip

Description : _______ is the angle of a fault plane w.r.t. vertical. (A) Hade (B) Throw (C) Heave (D) Dip

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Consider a system with seven processes A through G and six resources R through W. Resource ownership is as follows: process A holds R and wants T process B holds nothing but wants T process C holds nothing but wants S process D holds U and wants S & T process E holds T and wants V process F holds W and wants S process G holds V and wants U Is the system deadlocked ? If yes, ............. processes are deadlocked. (A) No (B) Yes, A, B, C (C) Yes, D, E, G (D) Yes, A, B, F

Description : Consider a system with seven processes A through G and six resources R through W. Resource ownership is as follows: process A holds R and wants T process B holds nothing but wants T process C holds nothing but wants S process D holds U ... No (B) Yes, A, B, C (C) Yes, D, E, G (D) Yes, A, B, F

Last Answer : (C) Yes, D, E, G