Description : A spinning neutron star is known as – (1) White dwarf (2) Black hole (3) Pulsar (4) Quasar
Last Answer : (3) Pulsar Explanation: Pulsars are spinning neutron stars that have jets of particles moving almost at the speed of light streaming out above their magnetic poles. These jets produce very powerful beams of light.
Description : A spinning neutron star is known as (1) White dwarf (2) Black hole (3) Pulsar (4) Quasar
Last Answer : Pulsar
Description : PSR J0108-1431 is the closest known ------- to Earth? A. Black hole B. Red giant C. Quasar D. Pulsar (Answer)
Last Answer : D. Pulsar (Answer)
Description : A pulsar is a rapidly spinning neutron star which emits: A. A blinding light when it aligns with the planets B. Radio waves detectable from Earth (Answer) C. A gravitational pull which attracts high energy dust particles D. Enough energy to power itself indefinitely
Last Answer : B. Radio waves detectable from Earth (Answer)
Description : What type of star have extremely intense gravitational and magnetic fields?
Last Answer : Feel Free to Answer
Description : When our sun reaches the end of its red giant phase, it will turn into a------? A. Supernova B. White Dwarf (Answer) C. Black Hole D. Neutron Star
Last Answer : B. White Dwarf (Answer)
Description : An electron and a neutron enter a magnetic field with the same velocity. Ratio of electron to neutron’s acceleration is a) mn me b) √ mn me c) √ me mn d) me
Last Answer : a) mn me
Description : Which of the following is used as a primary memory of computer ? (1) Optical storge device (2) Magnetic storage device (3) RAM (4) Magneto-Optical storage device
Last Answer : RAM
Description : Define the following terms: i) Magnetic flux density, ii) Reluctance, iii) Magneto-motive force, iv) Permeance.
Last Answer : (i) Magnetic flux density (B): It is the magnetic flux per unit area measured at right angles to the flux path. (Its unit is weber/m2 or tesla). (ii) Reluctance: It is the ... flux to set up through it and it is reciprocal of reluctance. Permeance = 1/ Reluctance. Unit: weber/ampere.
Description : For time varying currents, the field or waves will be a) Electrostatic b) Magneto static c) Electromagnetic d) Electrical
Last Answer : c) Electromagnetic
Description : What is a neutron star?
Last Answer : A neutron star is a very dense object that is formed when a massive star undergoes a supernova and its core collapses, leaving behind a small, extremely dense remnant composed mainly of neutrons.
Description : Would an average mass main sequence star like our sun eventually become a neutron star black hole?
Last Answer : sup.
Description : What neutron star is smaller than white dwarfs are thought to be remnants of .?
Last Answer : A neutron star is the remnant of a star, which - at the end ofits life, and AFTER possibly losing a lot of mass (for instance, ina supernova explosion) has a remaining mass that is greater thanthe so-called Chandrasekhar limit.
Description : Is the sun a yellow star a neutron star white dwarf or red giant?
Last Answer : Let's see...the life sequence for a YELLOW DWARF star, like ourlittle G2, will see it become a red giant in a few billion years,probably consuming everything out to the orbit of Earth and notdoing any ... 4 billion years from now, so the yellowstar will still be there for a very long time to come.
Description : What is a neutron star which a Emits radiation that reaches the earth as radio waves and flashes of visible light?
Last Answer : pulsar
Description : What is a supernova What is a neutron star?
Last Answer : The name is a bit of a give away really. A neutron star is a lump of matter composed entirely of neutrons, thus containing a large mass (typically between 1.4 and 3.2 solar masses in a very small ... typically one teaspoon of neutron star (5 ml) would have a mass of about 5 and a half billion tons.
Description : The mass of a star is two times the mass of the Sun. How it will come to an end? (1) Neutron Star (2) Black hole (3) White Dwarf (4) Red Giant
Last Answer : (1) Neutron Star Explanation: The mass of a star which is two times the mass of the sun turns into a neutron star. A neutron star is a type of stellar remnant that can ... entirely of neutrons, which are subatomic particles without electrical charge and with slightly larger mass than protons.
Description : The mass of a star is two times the mass of the Sun. How it will come to an end ? (1) Neutron Star (2) Black hole (3) White Dwarf (4) Red Giant
Last Answer : Neutron Star
Description : What is a quasar?
Last Answer : A quasar is a compact, extremely luminous object that emits large amounts of energy, believed to be powered by supermassive black holes in the centers of galaxies, and is an important concept in astrophysics.
Last Answer : A quasar is an extremely luminous and distant active galactic nucleus, believed to be powered by a supermassive black hole at its center, and is an important concept in astronomy and astrophysics.
Last Answer : A quasar is an extremely luminous and distant active galactic nucleus, believed to be powered by a supermassive black hole at the center of a galaxy.
Description : How can the most distant quasar be 28 Billion light years away? (Strange Universe Series)
Last Answer : As I have stated in the past. There has always been a Universe and there will always be one.
Description : What is a quasar? -Space
Last Answer : Quasi Stellar is a radio sources, abbreviated QUASARS, are the most dynamic and far-off objects in a collective known as active galactic nuclei (AGN). These radiant sources were formed approximately twelve billion years ago.
Description : What is Quasar ?
Last Answer : : Quaysar is probably the most amazing object ever discovered in the universe. Quasar Hall is the brightest object in the universe. The matte energy of a quasar is about 100 times greater than the energy of an entire galaxy . But the extent of a quasar is about twice the size of our solar system.
Description : Submerged objects can be located using (1) Radar (2) Sonar (3) Quasar (4) Pulsar
Last Answer : (2) Sonar Explanation: Sonar (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.
Description : What apparatus is used to locate a submerged object? (1) Radar (2) Sonar (3) Quasar (4) Pulsar
Last Answer : (2) Sonar Explanation: Sonar (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate ... sound made by vessels; active sonar is emitting pulses of sounds and listening for echoes.
Description : Submerged objects can be located using (1) radar (2) sonar (3) quasar (4) pulsar
Last Answer : sonar
Last Answer : Sonar
Description : Which of the following precautions should be taken when troubleshooting various power circuits using a common solenoid-type mechanical voltage tester (wiggins)? A. Never use this tester on circuits greater ... voltage expected in the circuit in order to prevent damage from an off-scale reading.
Last Answer : Answer: A
Description : State Magneto-striction. Draw Hysteresis loop for : (i) High silicon steel (ii) Copper (iii) Soft iron (iv) Wood
Last Answer : Magneto-striction: It is the change in dimensions of ferro magnetic material when it is magnetized for eg. Silicon steel, iron or any ferromagnetic material. i) Hysteresis loop for High silicon steel : ... loop for Soft iron : iv) Hysteresis loop for Copper and Wood :
Description : Name the extremely remote celestial object, emitting exceptionally large amounts of light energy, and typically having a star like image in a telescope. -Space
Last Answer : answer:
Description : What name is given to the class of subatomic particles which include the proton, the neutron, and several heavier particles, such as the lambda, the sigma and the omega.
Last Answer : ANSWER: BARYONS
Description : What is the latest write-once optical storage media? A) Digital paper B) Magneto-optical disk C) WORM disk D) CD-ROM disk
Last Answer : Answer : D
Description : Which of the items below are considered removable storage media? A) Removable hard disk cartridges B) (Magneto-optical) disk C) Flexible disks cartridges D) All of the above
Description : Which of the following storage devices can store maximum amount of data? A) Floppy Disk B) Hard Disk C) Compact Disk D) Magneto Optic Disk
Last Answer : Answer : B
Description : Which is the sensory receptor involved in detecting blood pressure? (1) Chemo receptor (2) Mechano receptor (3) Photo receptor (4) Magneto receptor
Last Answer : (2) Mechano receptor Explanation: Baroreceptors are sensors located in the blood vessels of all vertebrate animals that sense the blood pressure and relay the information to the brain, so that ... . Mechanoreceptors are the sensory receptors that respond to any type of primary stimuli of pressure.
Last Answer : (2) Mechano receptor Explanation: Mechano receptors are the sensory receptors that respond to any type of primary stimuli of pressure.
Description : Which of the instruments listed is used to check insulation resistance? A. Magneto B. Megohmmeter C. Dynamometer D. Rheostat
Last Answer : Answer: B
Description : Power necessary to operate the horn relay shown in the illustration ____________. EL-0093 A. comes from each station's magneto B. is supplied from a 115 volt source C. is conducted through the relay's contacts D. also lights lamps 'R' and 'T'
Description : Power necessary to operate the horn shown in the illustration _____________. EL-0093 A. comes from each station's magneto B. is supplied from a 115 volt source C. is conducted through a relay coil D. also lights lamps 'R' and 'T'
Description : To determine if a stator coil is grounded, you should use a/an _____________. A. ammeter B. ground detection lamp C. magneto D. megger
Last Answer : Answer: D
Description : What is magneto motive force?
Last Answer : The force, which drives the magnetic flux through a magnetic circuit, is called the magneto motive force.
Description : What is the latest write-once optical storage media? a. Digital paper b. Magneto-optical disk c. WORM disk d. CD-ROM disk
Last Answer : Magneto-optical disk
Description : Find the force experienced by an electromagnetic wave in a conductor? a) Electrostatic force b) Magneto static force c) Electro motive force d) Lorentz force
Last Answer : d) Lorentz force
Description : Direct conversion of thermal energy to electrical energy is facilitated by the (A) Fuel cells (B) Photo voltaic cell (C) Magneto hydrodynamic generator (D) None of these
Last Answer : (C) Magneto hydrodynamic generator
Description : Corona discharge is related to the operation of a/an (A) Induction motor (B) Electrostatic precipitator (C) Fast breeder reactor (D) Magneto hydrodynamic generator (MHD)
Last Answer : Option B
Description : What Is The Working Principle Of Magneto Hydrodynamic Power Plant?
Last Answer : The working principle of MHD is as like that of dynamo. Instead of solid conductor high temperature plasma is passed through the magnetic field at sonic speed. When the gas is passed through magnetic field, current is induced. Electrodes collect this induced current.
Description : A magneto is switched off by
Last Answer : D. Grounding the Primary Circuit
Description : 1. A magneto is switched off by
Description : Which of the it5ems below are considered removable storage media? a. Removable hard disk cartridges b. (Magneto-optical) disk c. Flexible disks cartridges d. All of the above
Last Answer : d. All of the above