Can you help by answering this question?

Dc separte motor speed control questions and torque relations

16 views
in Digital Instrumentation by
Number of comparators required for an 8 bit flash ADC is:

(1) 8 (2) 16

(3) 255 (4) 256

Your answer

Thanks for your contribution. Feel free to answer this question. Please avoid short answer. Your answer is most welcome. Be genuine.

Upload image or document:

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
Are you a robot ? (Y = Yes / N = No)
To avoid this verification in future, please log in or register.

1 Answer

0 votes
by

Number of comparators required for an 8 bit flash ADC is: 255

Related questions

1 answer 32 views

The number of comparators required in a 4 bit comparator type ADC is (A) 16 (B) 15 (C) 17 (D) 12

asked Apr 28, 2018 in Digital Electronics by Shimroz123
1 answer 392 views

The number of comparators required in a 3-bit comparator type analog to digital converter is  A) 2 B) 3 C) 7 D) 8 

asked May 20, 2018 in Digital Electronics by Shimroz123
0 answers 29 views

For an ADC, full scale output voltage is about 10 V.For a resolution of about 9.78mV, number of bits required is  A) 6 B) 8 C) 10 D) 12

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
0 answers 13 views

In 8 bit successive approximation ADC, clock frequency is 1MHz and reference voltage is 10 V.Conversion time in µS for 5 V input is  A) 4 B) 8 C) 10 D) None of these 

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 16 views

In D/A converter, the resolution required is 50mv and the total maximum input is 10v. The number of bits required is   (A) 7 (B) 8 (C) 9 (D) 200

asked May 17, 2018 in Digital Instrumentation by Shimroz123
0 answers 21 views

For an 8 bit DAC, reference voltage is 10 V. If input to DAC starting from MSB is 10111100, output (in volts) is  A) 5.8 B) 6.4 C) 7.3 D) 8.2

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 14 views

In a weighted-resistor digital-to-analog converter with 8-bit input, if the resistance corresponding to the MSB is 2K, what will be the resistance corresponding to the LSB?  (a) 250 Ω (d) 512 KΩ (c) 256 KΩ (d) 25.5 Ω

asked May 15, 2018 in Digital Instrumentation by Shimroz123
1 answer 52 views

 The number of loop equations required to completely analysing a network comprising of 8 independent branches and 6 nodes including the reference node shall be A) 3 B) 2 C) 4 D) 5 

asked Jun 18, 2018 in Electrical Engineering by Shimroz123
1 answer 100 views

An eight bit digital data 10101100 is fed to an ADC. The reference voltage is +10V. The analog output voltage will be:  (1) 1.05V (2) 6.74V (3) 10.10V (4) 5.15V

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 123 views

An 1.8° step, 4 -phase stepper motor has 40 teeth on 8 poles of the stator. The number of rotor teeth for their rotor will be: (A) 40 (B) 50 (C) 100 (D) 80

asked Apr 11, 2018 in Computer Engineering by Shimroz123
1 answer 50 views

The percent resolution of an 8 -bit D/A converter is

asked May 3, 2018 in Power Electronics by Shimroz123
1 answer 29 views

The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the potential difference between the Y-plates is doubled, and simultaneously the pre-accelerating anode voltage is reduced to half of its previous value. Then, the vertical deflection of the beam on the screen would become (A) 64 mm (B) 32 mm (C) 8 mm (D) 1 mm

asked Apr 28, 2018 in Digital Instrumentation by Shimroz123
0 answers 11 views

A flash type ADC uses  A) Counter B) Op—amps C) An integrator D) Flip flop

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 31 views

Flash or Parallel ADC

asked Aug 9, 2017 in Electronics Engineering by Zeeshan
1 answer 9 views

Number of control lines required for 16 to 1 multiplexer is

asked May 14, 2018 in Digital Electronics by Shimroz123
1 answer 19 views
1 answer 19 views

The kVA rating required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV will be: A. 4 kVA B. 0.25 kVA C. 16 kVA D. 8 kVA

asked Apr 12, 2018 in Electrical Engineering by Shimroz123
1 answer 18 views

 If the range of an analog transducer is 0 to 10 V, then for a resolution of 5 mV, the bits of ADC will be _____.

asked May 29, 2018 in Transducers and sensors by Shimroz123
1 answer 33 views

Assuming 8 bits for data, 1 bit for parity, I start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is

asked Mar 29, 2018 in Digital Electronics by Shimroz123
0 answers 17 views

A 12-bit ADC is operating with a lus clock period and total conversion time is seen to be 14us always. The ADC must be of the type  a. Flash type b. Counting type c. Integrating type d. Successive approximation type

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 30 views

Which type of ADC gives high resolution?

asked May 4, 2018 in Digital Instrumentation by Shimroz123
1 answer 21 views

The ADC having highest conversion speed is (A) Dual-slope ADC (B) Successive approximation ADC (C) Flash ADC (D) Servo ADC

asked Apr 28, 2018 in Digital Instrumentation by Shimroz123
0 answers 42 views

Explain the basic dual slope ADC technique used in digital multimeters with its diagram and measurement cycle.

asked Mar 2, 2018 in Digital Instrumentation by Quiz
0 answers 20 views

Describe the various blocks and their functions in pipelined ADC architecture.

asked Mar 2, 2018 in Digital Instrumentation by Quiz
2 answers 55 views

Integrating or Dual Slope ADC

asked Aug 9, 2017 in Digital Instrumentation by Zeeshan
1 answer 27 views

The intel 8086 microprocessor is a _______ processor A. 8 bit B. 16 bit C. 32 bit D. 4 bit

asked Sep 28, 2018 in Microprocessors and Microcontrollers by Shimroz123
0 answers 39 views

Explain the basic operation of an oscilloscope with necessary diagram for each section in detail.

asked Mar 2, 2018 in Digital Instrumentation by Quiz
1 answer 12 views

The minimum number of wattmeter(s) required to measure 3-phase, 3-wire balanced or unbalanced power is  A) 1 B) 2 C) 3 D) 4

asked May 20, 2018 in Electrical Measurements and Instrumentation by Shimroz123
0 answers 24 views

 Minimum number of bits required to represent maximum value of given analogue signal with 0.1% accuracy is: a. 8 bits b. 9 bits c. 10 bits d. 12 bits

asked Apr 12, 2018 in Electronics Engineering by Shimroz123
0 answers 14 views

If the Disk head is located initially at 32, find the number of disk moves required with FCFS if the disk queue of I/O blocks requests are 98,37,14,124,65,67.  (1) 10 (2) 324 (3) 315 (4) 321 

asked Apr 10, 2018 in Computer Engineering by Shimroz123
0 answers 10 views

The minimum number of NAND gates required to implement a XOR gate is  A) 5 B) 4 C) 3 D) 6

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
0 answers 7 views

In an induction motor high rotor resistance is required for (a) Power factor and low starting current (b) high power factor and high starting current (c) high power factor and low starting current (d) low slip and high efficiency

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
0 answers 32 views

Why starter is required for starting an induction motor?

asked Mar 15, 2018 in Electrical Engineering by Quiz
1 answer 24 views

An industrial consumer hall a daily load pattern of 2000 KW, 0.8 lag for 12 Hra and 1000 kW UPF for 1J Hr. The load factor i= _____. 

asked Mar 27, 2018 in Power system by Shimroz123
1 answer 16 views

An alternator is delivering rated current at rated voltage and 0.8 power-factor lagging. For delivering rated current at rated voltage and 0.8 poWer—factor leading, the required excitation will be:  (A) less  (B) more (C) more or less (D) the same

asked Apr 9, 2018 in Electrical Engineering by Shimroz123
1 answer 8 views

How many minimum number of NOR gates are required to realize a two-input X-OR gate?

asked May 24, 2018 in Digital Electronics by Shimroz123
1 answer 35 views

The number of insulator discs (each rated 11 kV) required in a suspension type insulator string of 220 kV line is 

asked May 8, 2018 in Electric Power Transmission by Shimroz123
1 answer 60 views

A network has 10 nodes and 17 branches. The number of independent mesh equations required to solve the network is   (a) 7 (b) 8 (c) 10 (d) 45 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
1 answer 19 views

The number of poles of 8/6 stepper motor can be :

asked Apr 30, 2018 in Electrical Machine by Shimroz123
1 answer 7 views

Initially the number decimal 8 is stored. If instruction RAL is executed twice, the final number stored will be: (1) Decimals 8 (2) Decimal 16 (3) Decimal 32 (4) Decimal 2 

asked May 28, 2018 in Digital Electronics by Shimroz123
1 answer 30 views

A 4-bit R/2R digital-to-analog (DAC) converter has a reference of 5 volts. What is the analog output for the input code 1010:  (1) 0.3125 V (2) 3.125 V (3) 0.78125 V (4) –3.125 V

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
0 answers 16 views

What is essential for a successive approximation Nbit ADC?  (A) 2N clock pulses for conversion, an up-down counter and a DAC. (B) N clock pulses for conversion, a binary counter and a comparator. (C) 2N clock pulses for conversion and a binary counter only. (D) N clock pulses for conversion, an up-down counter and a DAC. 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
0 answers 36 views
1 answer 29 views

An 8-pole, 50Hz, three-phase induction motor is running at 705rpm and has a rotor copper loss of 5kW. Its rotor input is (A) 5.06 kW (B) 0.3 kW (C) 100 kW (D) 83.33 kW

asked Apr 28, 2018 in Electrical Machine by Shimroz123
1 answer 12 views

 An 8 pole lap wound DC shunt generator is supplying 295A to a load. The field current of the generator is 5A. The current per parallel path is: -  a) 300A b) 200A c) 150A d) 37.5A

asked Apr 11, 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

8,481 questions

7,077 answers

134 comments

3,088 users

...