Can you help by answering this question?

Main purpose of oil in OCB is to

16 views
in Electrical Engineering by
 Which of the following is not an electromagnetic device? 

a) Hall transducer b) Transformer c) Speedometer d) Eddy current damping device

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.

1 Answer

0 votes
by

 Which of the following is not an electromagnetic device? 


Hall transducer

Related questions

1 answer 10 views

Which of the following is not an input device? A. Touch screen B. Optical scanners C. Touch Pad D. Mouse Pad

asked Apr 12, 2018 in Computer Engineering by Shimroz123
0 answers 15 views

Which of the following is not a protective device?  A) MCB B) FUSE C) ELCB D) None of the Above

asked Apr 9, 2018 in Electrical Engineering by Shimroz123
0 answers 17 views

For measuring the frequency of an unknown A.C. source. Which of the following device is necessary to obtain a standard waveform?  (A) Operational amplifier (B) Astable multivibrator (C) Schmitt trigger (D) Monostable multivibrator

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
0 answers 24 views

Which of the following is not a sequential storage device?  (a) Magnetic disk (b) Magnetic tape (c) Paper tape (d) All of these

asked May 23, 2018 in Computer Engineering by Shimroz123
1 answer 16 views

Which power device of the following is not a current triggered device?  A) Thyristor B) GTO C) TRIAC D) MOSFET

asked May 20, 2018 in Power Electronics by Shimroz123
1 answer 21 views

Which of the following is not an electrical quantity? A. Voltage B. Current C. Distance D. Power

asked Apr 12, 2018 in Electrical Engineering by Shimroz123
0 answers 10 views

Which of the following is an output device?   A) Web Cam B) Scanner C) Multimedia Projector D) Mouse

asked Apr 9, 2018 in Computer Engineering by Shimroz123
1 answer 25 views

 Which one of the following does not have an effect on corona ?  (a) Spacing between conductors (b) Conductor size (c) Line voltage (d) Length of conductor

asked Apr 25, 2018 in Electrical Engineering by Shimroz123
0 answers 22 views

Which of the following will not cause permanent damage of an SCR ? (A) High current (B) High rate of rise of current (C) High temperature rise (D) High rate of rise of voltage

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
1 answer 17 views

Indicate which one of the following is NOT an advantage of FM over AM? (1) Better noise immunity is provided (2) Lower bandwidth is required (3) The transmitted power is more useful (4) Less modulating power is required 

asked May 29, 2018 in Electronics communication by Shimroz123
1 answer 8 views

for the voltage built-up a self-excited D.C. generator, which of the following is not an essential condition.  1.there must be some residual flux  2.field winding mmf must aid the residual flux  3.total field circuit resistance must be less than t critical value  4.armature speed must be very high

asked May 13, 2018 in DC generator by Shimroz123
0 answers 23 views

Which of the following is not an Operating System?  A) UBUNTU B) DOS C) JAVA D) SOLARIS

asked Apr 9, 2018 in Computer Engineering by Shimroz123
1 answer 24 views

Buchholz relay is used as a safety device with respect to which of the following? A) Audio transformers B) Oil filled power transformers C) Air core transformer D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 93 views

Which of the following is NOT a non-linear resistor? A) Varistor B) Precision resistor C) NTC thermistor D) PTC thermistor 

asked Jun 18, 2018 in Electrical Engineering by Shimroz123
1 answer 10 views

Which of the following statements is not valid in case of conductors in electrostatic fields? A) The static electric field intensity inside a conductor is zero B) The static electric field intensity at the surface of a conductor is everywhere directed normal to the surface C) The conductor surface is an equivalent potential surface D) None of the above

asked Jun 17, 2018 in Electrical Engineering by Shimroz123
1 answer 13 views

Which of the following is not a source of reactive power? (A) Generators (B) Reactors (C) Resistors (D) Capacitors

asked May 13, 2018 in Electrical Engineering by Shimroz123
0 answers 9 views

 A high prf implies which of the following statement is not correct ? (A) Makes the return echoes easier to distinguish from noise (B) Makes target tracking easier with conical scanning (C) Increases the maximum range (D) Has no effect on the range resolution

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
1 answer 29 views

Which of the following is not a base load plant ? (A) Thermal power plant (B) Pumped storage plant (C) Hydro power plant (D) Geothermal power plant

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
2 answers 116 views

Which of the following is not a non-linear element ? (A) Diode (B) Transistor (C) Heater coil (D) None of the above

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
0 answers 16 views

Which of the following methods of heating is not dependent on the frequency of supply (1) Induction heating (2) Dielectric heating (3) Electric resistance heating (4) All of the above

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
0 answers 11 views

Which of the following is not equivalent to watts? (1) Amperes*volts (2) (Amperes)2 *ohm (3) Amperes/volt (4) Joules per second

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
1 answer 22 views

Which of the following is usually not the generating voltage : -  a) 6.6 EV b) 11 KV c) 12.5 KV d) 13.2 KV

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
0 answers 17 views

Which of the following elements is not bilateral ?   (a) Resistor (b) Inductor (c) Capacitor (d) Transistor 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
0 answers 18 views

Which of the following statements is not correct ? (A) A primary cell is an electro-chemical cell (B) After charging, a primary cell can be again put to use (C) Dry cell is a primary cell (D) Leclanche cell is used in experiments, where constant supply of current is not needed

asked Mar 31, 2018 in Electrical Engineering by Shimroz123
0 answers 13 views

Which of the following device converts DC to AC?  A) Rectifier B) Boost converter C) Transformer D) Inverter

asked Apr 9, 2018 in Electrical Engineering by Shimroz123
0 answers 34 views

FET belongs to which of the following type of device?  (A) Current controlled device (B) Magnetic device (C) Power controlled device (D) Voltage controlled device 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 10 views

Which of these is not a photoelectric device ?  a) Photoconductive cells Photoemissive cells c) Photoresistive cells d) Photovoltaic cells

asked Apr 10, 2018 in Instrumentation and control by Shimroz123
1 answer 51 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 38 views

 Which of the following is a negative-resistance microwave device for oscillator applications? A) IMPATT Diode B) Gunn Diode C) Snap diode D) Schottky Diode 

asked Jun 18, 2018 in Electronics Engineering by Shimroz123
1 answer 20 views

Which of the following is a Read Only Memory storage device? A. Floppy Disc B. Hard Disc C. CD ROM D. None of these

asked Apr 12, 2018 in Electronics Engineering by Shimroz123
1 answer 20 views

Which of the following does not change in a transformer?  (A) Current (B) Voltage (C) Frequency (D) All of the above

asked May 8, 2018 in Electrical Engineering by Shimroz123
0 answers 23 views

Which of the following motors would not be suitable for use as servomotors?  (a) AC induction motor (b) brushless AC motor (c) stepper motor (d) permanent magnet DC motor

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

Which of the following will happen if a voltmeter is connected like an ammeter in series to the load ? (A) There will be almost no current in the circuit. (B) The meter will burn. (C) The measurement will be trio high. (D)  A very high current will flow.

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

Which of the following is true with an auto transformer? A) It has only one winding  B) It has two separate windings namely primary winding and secondary winding C) It has two primary windings and one single secondary winding D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 16 views

Which of the following is an example of SI derived unit? A) Capacitance (Farad) B) Time (second) C) Luminous intensity (Candela) D) All the above

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
0 answers 19 views

While selecting motor for an A.C which of the following characteristics is of great importance (1) Type of bearings (2) Type of enclosure (3) Noise (4) Arrangement for power transmission  

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
0 answers 32 views

Which of the following devices is used to measure flow in an open channel ?   (a) Venturimeter (b) Rota meter (c) Orifice (d) Pitot tube 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
0 answers 34 views

Which of the following is an example of an open loop system ? (A) Household refrigerator (B) Respiratory system of an animal (C) Stabilisation of air pressure entering into a mask (D) Execution of a program by a computer

asked Mar 31, 2018 in Electrical Engineering by Shimroz123
1 answer 16 views

In a CRO which of the following is not a part of electron gun: (1) Cathode (2) Grid (3) Accelerating anode (4) X–Y plates 

asked May 29, 2018 in Oscilloscope by Shimroz123
2 answers 18 views

Which of the following components is not a part of hydro-electric plant ? (a) Penstock (b) Spillway (c) Surge tank (d) Economiser 

asked May 26, 2018 in Electric Power Generation by Shimroz123
0 answers 13 views

Which of the following is not a method of resistance measurement ? (a) Ammeter – Voltmeter method (b) Post – Office box method (c) Ohm – Meter method (d) Two wattmeter method 

asked May 26, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 48 views

Which one of the following is not a transducer in the true sense?   (A) Thermocouple (B) Piezoelectric pick-up (C) Photo voltaic cell (D) LCD.

asked May 17, 2018 in Transducers and sensors by Shimroz123
1 answer 71 views

Which of the following is not a basic element of a transformer ?  1. Core 2. Primary winding 3. Secondary winding 4. Mutual flux 

asked May 13, 2018 in Transformer by Shimroz123
1 answer 27 views

Which of the following is not a part of transformer installation?  (A) Conservator (B) Breather (C) Buchholz Relay (D) Exciter

asked May 8, 2018 in Switchgear And Protection by Shimroz123
1 answer 56 views

Which of the following statements is not characteristic of a static magnetic field? (A) It is solenoidal. (B) It is conservative. (C) It has no sinks or sources. (D) Flux lines are always closed.

asked Apr 28, 2018 in Physics by Shimroz123
1 answer 21 views

Which of the following instructions is not available in 8085 microprocessor? (A) LDA 3850 (B) XTHL (C) push PSW (D) LDAXH

asked Apr 28, 2018 in Microprocessors and Microcontrollers by Shimroz123
1 answer 13 views

Which of the following is not computer hardware? A. Printer B. CPU C. Monitor D. Antivirus  

asked Apr 12, 2018 in Computer Engineering by Shimroz123
0 answers 23 views

Which of the following is not a Web Browser?  (1) Netscape Navigator (2) Mozilla Firefox (3) Opera (4) Yahoo Massenger

asked Apr 11, 2018 in Computer Engineering by Shimroz123
0 answers 24 views

Which of the following is not a multimedia software  (1) MS-PowerPoint (2) Adobe-Flash (3) Macromedia Director (4) MS-Paint

asked Apr 10, 2018 in Computer Engineering by Shimroz123
0 answers 31 views

Which one of the following is not a powerpoint view?  (1) Slide Sorter view (2) Slide view (3) Slide show view (4) Sorter view

asked Apr 10, 2018 in Computer 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

8,560 questions

7,160 answers

135 comments

3,090 users

...