Electricity can be generated by changing the magnetic field , who invented it ?

1 Answer

Answer :

This is the discovery of the scientist Faraday.

Related questions

Last Answer : If a constant current source is connected in time between the two terminals of the coil, the starting electric current generates a magnetic field according to the Biot - Savart Act. You ... Roll_and_And_Record_Word And here: https://en.wikipedia.org/wiki/Biot%E2% 80% 93Savart-t% C3% B6rv% C3% A9ny 

Description : The energy consumed by an AC motor, as strictly reactive power, is _____________. A. used to do mechanical work B. used to establish the magnetic field of the motor C. lost as heat generated by the windings D. lost in doing work to turn the motor itself

Last Answer : Answer: B

Description : The reactive power drawn by a motor from an AC generator is the power which is _____________. A. used to establish the magnetic field of the motor B. lost in overcoming friction in the ... by current flow through the windings D. transmitted directly through the rotor shaft to perform useful work

Last Answer : Answer: A

Description : Which of the following statements is true concerning the operating characteristics of a squirrel-cage motor? A. Rotor slip is dependent upon the motor load. B. An increase in motor load results in ... results in less generated current. D. A decrease in rotor speed produces a weaker magnetic field.

Last Answer : Answer: A

Description : The inductance is the measure of a) Electric charges stored by the material b) Emf generated by energising the coil c) Magnetic field stored by the material d) Magnetization of dipoles

Last Answer : c) Magnetic field stored by the material

Description : . In magnetic flow meters, voltage generation is (A) Due to the motion of conducting fluid through an externally generated uniform field (B) Proportional to the fluid velocity (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Description : Electromagnetic radiation: (A) Produces a time varying magnetic field and vice versa (B) Once generated, remains self-propagating (C) Is capable to travel across space (D) All of these

Last Answer : Answer: Option D

Description : What safety actions does the nurse need to take for a patient on oxygen therapy who is undergoing magnetic resonance imaging (MRI)? a) Ensure that no patient care equipment containing metal enters the ... oxygen tanks) that contains metal or metal parts enters the room where the MRI is located.

Last Answer : a) Ensure that no patient care equipment containing metal enters the room where the MRI is located. For patient safety the nurse must make sure no patient care equipment (e.g., portable oxygen ... literally be pulled away with such great force that they can fly like projectiles towards the magnet.

Description : A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will: A. increase B. decrease C. remain constant D. be excessive

Last Answer : A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will: decrease

Description : The induced voltage across a coil with 250 turns that is located in a magnetic field and is changing at a rate of 8 Wb/s is A. 1,000 V B. 2,000 V C.31.25 V D. 3,125 V

Last Answer : The induced voltage across a coil with 250 turns that is located in a magnetic field and is changing at a rate of 8 Wb/s is 2,000 V 

Description : Is it possible or practical to generate electricity utilizing the magnetic field of the earth?

Last Answer : nope. not for us anyway. we’ve nothing to affix our velocity to.

Description : Pick up the incorrect statement from the following: (A) The degree of grinding of cement, is called fineness (B) The process of changing cement paste into hard mass, is known as setting of ... (D) The heat generated during chemical reaction of cement with water, is known as heat of hydration

Last Answer : Answer: Option C

Description : Can the static electricity generated by my cat kill my new LCD TV screen ?

Last Answer : answer:Wow…I have no idea, but, I am interested. I can’t believe that a cat could short circuit a TV, but, the truth is stranger than fiction sometimes. lol Maybe try snopes.com

Description : How is hydro-electricity generated? -SST 10th

Last Answer : Hydro-electricity is generated by fast flowing water.

Description : How is thermal electricity generated? -SST 10th

Last Answer : Thermal electricity is generated by using coal, petroleum and natural gas.

Description : What kind of electricity is generated by rubbing a balloon with a sweater ?

Last Answer : The electricity generated by rubbing a balloon with a sweater is static electricity.

Last Answer : : The waste generates static electricity

Last Answer : : Fuel truck generates static electricity

Last Answer : : Friction produces static electricity

Last Answer : Stable electricity is produced by friction

Last Answer : Electric Bim , electric Slope In the body Electricity Generated To do Can

Description : Do you like solar generated electricity?

Last Answer : I love solar generated electricity. I live in Florida where it is sunny most of the year and there is quite the opportunity for solar to become the main energy source in this part of the country. ... income as opposed to paying for services each month that can be provided by the sun for free,

Description : How is electricity generated from Geothermal?

Last Answer : Need answer

Description : In which one of the following places electricity generated from hydel power? [CPO SI 2010] (a) Neyveli (b) Ennore (c) Tuticorin (d) Mettur

Last Answer : Ans: (d)

Description : Thermal electricity is generated by using which of these? (1) Coal only (2) Coal and Natural Gas only (3) Coal, Natural Gas and Petroleum (4) None of these

Last Answer : (3) Coal, Natural Gas and Petroleum Explanation: A thermal power station is a power plant in which heat energy is converted to electric power. Thermal power is producing using fossil fuel such as coal, natural gas or petroleum.

Description : Thermal electricity is generated by using which of these? (1) Coal only (2) Coal and Natural Gas only (3) Coal, Natural Gas and Petroleum (4) None of these

Last Answer : (3) Coal, Natural Gas and Petroleum Explanation: A thermal power station is a power plant in which heat energy is converted to electric power. Thermal power is producing using fossil fuel such ... from thermal power plants, with about 85% of the country's thermal power generation being coal-based.

Description : country produces the largest share of electricity generated by nuclear power. a) India b) France c) China d) Japan

Last Answer : france

Description : Which one is not an energy consumption benchmark parameter? a) kcal/kWh of electricity generated b) kg/ oC. c) kW/ton of refrigeration d) kWh/kg of yarn

Last Answer : b) kg/ oC.

Description : Of the following answers, which is closest to the percentage of electricity generated by nuclear power plants in the U.S. in 1987? w) 5% x) 10% y) 20% z) 40%

Last Answer : ANSWER: Y -- 20%

Description : As of December, 1990, which of the following countries generated the greatest percentage of its electricity by nuclear power? w) England x) Japan y) United States z) France

Last Answer : ANSWER: Z -- FRANCE

Description : Electricity generated by coal-fired power plants i the United States in 1990 was approximately what percentage of the entire electricity produced by all sources of power production? w) 10 percent x) 25 percent y) 55 percent z) 90 percent

Last Answer : ANSWER: Y -- 55 PERCENT

Description : Thermal electricity is generated by using which of these ? (1) Coal only (2) Coal and Natural Gas only (3) Coal, Natural Gas and Petroleum (4) None of these

Last Answer : Coal, Natural Gas and Petroleum

Description : List at least two examples that show how static electricity can be generated.

Last Answer : Examples of how static electricity can be generated include combing your hair, walking across a carpeted room, or sliding two pieces of plastic across each other.

Description : Is electricity generated in AC or DC?

Last Answer : Electricity   is  generated  in  AC.

Last Answer : Electricity is generated at electrical power generation station.

Description : Zero permeability/permittivity implies which state? a) No ions are allowed in the medium b) No current is generated in the medium c) No magnetic or electric energy is permitted in the medium d) No resistivity

Last Answer : c) No magnetic or electric energy is permitted in the medium

Description : What would the world be like today if electricity had been invented / discovered / harnessed in the 8th century?

Last Answer : Well…would have saved a lot of heads rolling into baskets if they had the electric chair at their “disposal.” lol

Description : Who invented the weak ball of electricity ?

Last Answer : Scientist Abdus Salam discovers weak electric force.

Last Answer : The "University of Engineering" of the country invented the pre-paid meter of electricity.

Description : In addition to testing the calibration of a circuit breaker, maintenance should include all of the following EXCEPT ______________. A. changing out of magnetic elements and thermal heaters yearly B. ... for loose or missing parts D. making sure foreign matter does not block tripping element

Last Answer : Answer: A

Description : E.M.F can be induced in a circuit by A. changing magnetic flux density B. changing area of circuit C. changing the angle D. all of above

Last Answer : all of above

Description : Which one of the following statement is incorrect regarding the electromagnetic radiation? (A) These are produced by the motion of electric charge (B) The oscillation of charged particles sets up ... electric fields induce the changing magnetic fields in the surrounding medium (D) None of these

Last Answer : Answer: Option D

Description : Which of the following will produce an induced emf: a. Changing area of coil b. Changing magnetic flux c. changing orientation of coil d. all of them

Last Answer : c. changing orientation of coil

Description : As load is added to an AC generator provided with constant field excitation, the prime mover slows down with the effect of ____________. A. lowering frequency and lowering generated ... C. increasing frequency and lowering generated voltage D. lowering frequency and increasing generated voltage

Last Answer : Answer: A

Description : The purpose of the commutator and brushes on a DC generator is to _____________. A. transfer generated direct current voltage from the armature to the line B. convert the alternating voltage ... contact method to excite the field D. reduce sparking between the armature and the carbon brushes

Last Answer : Answer: B

Description : What is meant by referring to electromagnetic waves as having circular polarization? A. The electric field is bent into a circular shape. B. The electric field rotates C. The electromagnetic wave continues to circle the earth D. The electromagnetic wave has been generated by a quad antenna

Last Answer : B. The electric field rotates

Description : Transgenic plants are the ones (a) generated by introducing foreign DNA into a cell and regenerating a plant from that cell (b) produced after protoplast fusion in artificial medium (c) grown in ... medium after hybridization in the field (d) produced by a somatic embryo in artificial medium.

Last Answer : (a) generated by introducing foreign DNA into a

Description : An emf is generated in a conductor when the conductor is cut by what type of field?

Last Answer : Magnetic field.

Last Answer : answer : Two _ Injured Of the object On Or Two _ _ Magnet Of matter On That Tell me Acting Him Electromagnetic _ _ Tell me Says.

Description : If two AC generators have just been placed in parallel, the true power load is initially distributed evenly by _____________. A. a balance coil B. changing field excitation C. adjusting the governor control settings D. a rheostat

Last Answer : Answer: C