24 views
in Electronics Engineering by
 An energy signal has G(f) = 20. Its energy density spectrum is A) 20 B) 100 C) 400 D) 800  

1 Answer

0 votes
by

 An energy signal has G(f) = 20. Its energy density spectrum is 400 

Related questions

1 answer 21 views

An energy signal has G(f) = 10. Its energy density spectrum is:  (1) 10 (2) 100 (3) 50 (4) 20

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 40 views

In an induction motor if the flux density is reduced to one-half, of its normal value then the torque will  (1) reduce to one-half (2) reduce to one-fourth (3) remain unchanged (4) increase four times

asked May 1, 2018 in Electrical Machine by Shimroz123
1 answer 31 views

Spectrum analyzer

asked Aug 9, 2017 in Digital Instrumentation by Zeeshan
1 answer 32 views

Define magnetic flux density and state its formula.

asked Aug 8, 2018 by Quiz
1 answer 31 views

In 8085, whenever a signal is received at TRAP terminal, its program execution is transferred to a subroutine on address A) 0000 H B) 002C H C) 0024 H D) 0004 H

asked Jun 18, 2018 in Microprocessors and Microcontrollers by Shimroz123
1 answer 18 views

What is the permissible flux density in case of cold rolled grained oriented steel?

asked Mar 19, 2018 in Transformer by Shimroz123
2 answers 46 views
1 answer 40 views

 If a signal band limited to fm is sampled at a rate less than 2fm, then the constructed signal will be A) Large in amplitude B) Small in amplitude C) Distorted D) Distortion less

asked Jun 18, 2018 in Electronics Engineering by Shimroz123
1 answer 13 views

Flux density formula

asked Jun 11 by Shimroz123
1 answer 34 views

Define the following terms: i) Magnetic flux density, ii) Reluctance, iii) Magneto-motive force, iv) Permeance.

asked Sep 4, 2018 by Shimroz123
0 answers 20 views

Give the relation between magnetic field strength, magnetic flux density and permeability.

asked Aug 8, 2018 by Quiz
1 answer 19 views

In lead acid battery the density of acid indicates the  (1) charge of the battery (2) level of acid (3) e.m.f of the battery (4) damage of the plates

asked Apr 30, 2018 in Electrical Engineering by Shimroz123
0 answers 45 views

The sampling rate to avoid aliasing for the signal m(t) = 100 cos 200ωt will be A) ≥1/25 sec B) ≥1/50 sec C) ≤1/25 sec D) ≤ 1/50 sec

asked Jun 18, 2018 in Electronics Engineering by Shimroz123
1 answer 19 views

A 200 V, 5 A d.c. energy meter is tested at its marked ratings. The resistance of the pressure circuit is 8000 Ω and that of current coil is 0.1 Ω. The power consumed when testing the meter with phantom loading with current circuit excited by a 6 V battery is (A) 2.5 W (B) 5 W (C) 32.5 W (D) 35 W

asked Apr 28, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 57 views

 If it takes a transmitted signal 1m sec to go up to the target and come back after reflection, how far is the transmitter from the target? A) 150 Km B) 150 m C) 15 Km D) 1500 m 

asked Jun 18, 2018 in Electrical Engineering by Shimroz123
1 answer 47 views

What is the Laplace transform of step signal of 5 units magnitude?  A) 5s B) 5/s C) s/5 D) 1/s 

asked Jun 18, 2018 in MOSFET by Shimroz123
2 answers 41 views

The time base signal in Cathode Ray Oscilloscope (CRO) is  (1) A square wave signal (2) A sawtooth signal (3) A triangular wave signal (4) A sinusoidal signal

asked May 1, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 25 views

The standard for long distance analog signal transmission in process control industry is (A) 4-20 mV (B) 0-20 mA (C) 4-20 mA (D) 0-5 V

asked Apr 26, 2018 in Control System by Shimroz123
0 answers 44 views

What is a signal in science?

asked Mar 11, 2018 in Signals and Systems by Shimroz
0 answers 18 views

What is the use of digital signal processing?

asked Mar 10, 2018 in Digital Signal Processing by Quiz
0 answers 26 views

Why digital signal processing is important?

asked Mar 10, 2018 in Digital Signal Processing by Quiz
0 answers 17 views

What is the use of signal flow graph?

asked Mar 10, 2018 in Control System by Quiz
1 answer 50 views

Which of the following device is used for coupling microwave energy?  A) Resonator B) Waveguide C) Loop D) Antenna

asked Jun 18, 2018 in Electronics Engineering by Shimroz123
1 answer 22 views

Phantom loading for testing of energy meter is used (A) to isolate the current and potential circuits (B) to increase power loss during testing (C) for meters having low current ratings (D) to test meters having a large current rating for which loads may not be available

asked Apr 28, 2018 in Electronics Engineering by Shimroz123
1 answer 30 views

what is fermi energy

asked Jan 17, 2018 in Electronics Engineering by Razib
1 answer 27 views

Specific energy consumption of an electric train is the ratio between (A) Specific energy output at driving wheels and efficiency of the traction motor (B) Specific energy output at driving wheels and efficiency of the transmission gear (C) Specific energy output of driving motor and efficiency of the driving wheels (D) Specific energy output at driving wheels and efficiency of the (motor + transmission gear)

asked Apr 28, 2018 in Power Electronic Controlled Drives by Shimroz123
1 answer 37 views

An induction type energy meter is found to run fast. Correction for this error can be made by  (A) Over-load compensation. (B) Voltage compensation. (C) Moving the brake magnet away from the centre of the disc. (D) Moving the brake magnet towards the centre of the disc.

asked Apr 28, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 11 views

Analog signal

asked Jul 6 in Wikipedia by Shimroz123
1 answer 18 views

Integration of step signal gives (A) Impulse signal. (B) Ramp function. (C) Parabola. (D) Square pulse.

asked Apr 28, 2018 in Digital Signal Processing by Shimroz123
0 answers 18 views

What do you mean by signal processing?

asked Mar 11, 2018 in Signals and Systems by Shimroz
0 answers 12 views

What do you mean by signal and system?

asked Mar 11, 2018 in Signals and Systems by Shimroz
0 answers 19 views

Explain transformer isolated drive circuits providing both signal and power.

asked Mar 11, 2018 in Power Electronics by Quiz
0 answers 52 views

Can you convert analog signal to digital?

asked Mar 10, 2018 in Digital Signal Processing by Quiz
1 answer 35 views

What are the advantages of a digital signal?

asked Mar 10, 2018 in Digital Signal Processing by Quiz
0 answers 25 views

How does signal processing work?

asked Mar 10, 2018 in Digital Signal Processing by Quiz
1 answer 7 views

Derive an expression for energy stored in a magnetic field . 

asked Sep 4, 2018 by Shimroz123
1 answer 85 views

The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

asked Jun 18, 2018 in Microprocessors and Microcontrollers by Shimroz123
0 answers 58 views

An energy meter has a constant of 600 rev/kWh. If the meter makes 10 revolutions in 20 s, what is the load in kW?  (A) 0.75 kW (B) 1.5 kW (C) 3 kW (D) 6 kW 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 18 views

The large signal bandwidth of an opamp is limited by its:  (1) Loop gain (2) Slew rate (3) Output impedance (4) Input frequency

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 17 views

What is Time of Day tariff? How it help in energy conservation?

asked Sep 22, 2018 in Energy Conservation And Audit by Shimroz123
1 answer 3 views

What is mass energy equivalence? Give one example. Define mass defect and binding energy.

asked Sep 7, 2018 by Shimroz123
1 answer 11 views

What is renewable source of energy? State two examples for the same.

asked Sep 7, 2018 by Shimroz123
1 answer 8 views

What is meant by energy meter constant?

asked Sep 6, 2018 by Shimroz123
1 answer 11 views

Why energy meter is integrating type measuring instrument?

asked Sep 5, 2018 by Shimroz123
1 answer 20 views

In fuel cell the __________ energy is converted into electrical energy.  (A) Mechanical (B) Chemical (C) Heat (D) Sound

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 18 views

The energy radiated by Sun on a bright Sunny day is approximately:  (A) 700 W/m² (B) 800 W / m² (C) 1 kW / m² (D) 2 kW / m²

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 13 views

The transfer of energy for reaction turbines is based on _______ A) Newton’s first law B) Newton’s second law C) Newton’s third law D) All the above

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 40 views

What is the stored energy when 200 V is applied across a 7 μF capacitor? A) 1400 Joules B) 0.7 Joules C) 0.14 Joules D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123

Welcome to electronics2electrical.com here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units
...