Which of the following devices converts electrical energy into mechanical energy? (a) Dynamo (b) Transformer (c) Electric motor (d) Inductor

1 Answer

Answer :

Ans:(c)

Related questions

Description : The device used for converting mechanical energy into electrical energy is called a/an (a) cell (b) transformer (c) dynamo (d) electric motor

Last Answer : Ans:(c)

Description : A dynamo is a device which – (1) creates mechanical energy (2) creates electrical energy (3) converts mechanical energy into electrical energy (4) converts electrical energy into mechanical energy

Last Answer : (3) converts mechanical energy into electrical energy Explanation: A dynamo is an electrical generator that produces direct current with the use of a commutator. Dynamos were the first electrical ... based, including the electric motor, the alternating-current alternator, and the rotary converter.

Description : A dynamo is a device which – (1) creates mechanical energy (2) creates electrical energy (3) converts mechanical energy into electrical energy (4) converts electrical energy into mechanical energy

Last Answer : (3) converts mechanical energy into electrical energy Explanation: A dynamo is an electrical generator that produces direct current with the use of a commutator. Dynamos were the first electrical ... based, including the electric motor, the alternating-current alternator, and the rotary converter.

Description : A dynamo converts ______. (1) Mechanical energy into sound energy (2) Mechanical energy into electrical energy (3) Electrical energy into mechanical energy (4) None of these

Last Answer : (2) Mechanical energy into electrical energy Explanation The dynamo, by attaching it in between the two tires, converts the mechanical energy (which of course, is produced by paddling) into electrical energy, and by connecting the wires going out of the dynamo to light, it glows without any flaw.

Description : The Dynamo converts – (1) Electrical Energy into Mechanical Energy (2) Mechanical Energy into Magnetic Energy (3) None of these (4) Mechanical Energy into Electrical Energy

Last Answer : (4) Mechanical Energy into Electrical Energy Explanation: Dynamo is a device for converting mechanical energy into electrical energy, especially one that produces direct current. It uses electromagnetic ... mechanical rotation into a pulsing direct electric current through the use of a commutator.

Description : The dynamo converts – (1) mechanical energy into electrical energy (2) electrical energy into mechanical energy (3) mechanical energy into magnetic energy (4) magnetic energy into mechanical energy

Last Answer : (1) mechanical energy into electrical energy

Description : The Dynamo converts (1) Electrical Energy into Mechanical Energy (2) Mechanical Energy into Magnetic Energy (3) None of these (4) Mechanical Energy into Electrical Energy

Last Answer : Mechanical Energy into Electrical Energy

Description : The dynamo converts (1) mechanical energy into electrical energy (2) electrical energy into mechanical energy (3) mechanical energy into magnetic energy (4) magnetic energy into mechanical energy

Last Answer : mechanical energy into electrical energy

Description : A dynamo is a device which (1) creates mechanical energy (2) creates electrical energy (3) converts mechanical energy into electrical energy (4) converts electrical energy into mechanical energy

Last Answer :  converts mechanical energy into electrical energy

Description : A device that converts mechanical energy into electric energy is called----? A. Motor. B. Transformer. C. Coil. D. Generator?

Last Answer : B. Transformer.

Description : Which of the following converts electric energy into mechanical energy: a. Transformer b. DC generator c. Motor d. AC generator

Last Answer : d. AC generato

Description : The electric motor converts - (1) Electrical energy into mechanical energy (2) Mechanical energy into electrical energy (3) Electrical energy into light energy (4) None of these

Last Answer : (1) Electrical energy into mechanical energy Explanation: A generator converts mechanical energy into electrical energy, while a motor does the opposite - it converts electrical energy into mechanical energy.

Description : A transformer – (1) converts DC to AC (2) is used to decrease or increase AC voltage (3) converts AC voltage to D.C. voltage (4) converts electrical energy into mechanical energy

Last Answer : (2) is used to decrease or increase AC voltage Explanation: Transformers have made longdistance transmission of electric power a practical reality, as AC voltage can be "stepped up" and ... the loads), voltage levels are reduced by transformers for safer operation and less expensive equipment.

Description : A transformer – (1) converts DC to AC (2) is used to decrease or increase AC voltage (3) converts AC voltage to D.C. voltage (4) converts electrical energy into mechanical energy

Last Answer : (2) is used to decrease or increase AC voltage Explanation: Transformers have made longdistance transmission of electric power a practical reality, as AC voltage can be "stepped up" and ... the loads), voltage levels are reduced by transformers for safer operation and less expensive equipment.

Description : A transformer (1) converts DC to AC (2) is used to decrease or increase AC voltage (3) converts AC voltage to D.C. voltage (4) converts electrical energy into mechanical energy

Last Answer : is used to decrease or increase AC voltage

Description : DC motors converts electrical into ___ energy. A. Mechanical B. Wind C. Electric D. None

Last Answer : A. Mechanical  

Description : A photoelectric cell converts – (1) Mechanical energy to electric energy (2) Heat energy to mechanical energy (3) Light energy to chemical energy (4) Light energy to electrical energy

Last Answer : (4) Light energy to electrical energy Explanation: Photoelectric cell or photocell, device whose electrical characteristics (e.g., current, voltage, or resistance) vary when light is incident ... The most common type consists of two electrodes separated by a light-sensitive semiconductor material.

Description : A photo-electric cell converts (1) mechanical energy to electric energy (2) heat energy to mechanical energy (3) light energy to chemical energy (4) light energy to electrical energy

Last Answer : light energy to electrical energy

Description : Dynamo is a device for converting – (1) Heat energy into electrical energy (2) Mechanical energy into electrical energy (3) Magnetic energy into electrical energy (4) Chemical energy into electrical energy

Last Answer : (2) Mechanical energy into electrical energy Explanation: A dynamo is a device for converting mechanical energy into electrical energy, esp. one that produces direct current. A dynamo is an ... were based, including the electric motor, the alternating-current alternator, and the rotary converter.

Description : Dynamo is a device for converting – (1) Heat energy into electrical energy (2) Mechanical energy into electrical energy (3) Magnetic energy into electrical energy (4) Chemical energy into electrical energy

Last Answer : (2) Mechanical energy into electrical energy Explanation: A dynamo is a device for converting mechanical energy into electrical energy, esp. one that produces direct current. A dynamo is an ... were based, including the electric motor, the alternating-current alternator, and the rotary converter.

Description : A dynamo is used to convert – (1) mechanical energy into electrical energy (2) electrical energy into mechanical energy (3) electrical energy into magnetic energy (4) magnetic energy into mechanical energy

Last Answer : (1) mechanical energy into electrical energy Explanation: A dynamo converts mechanical energy into electrical energy by taking advantage of a phenomenon known as electromagnetic induction. It is an electric generator that is similar to those that provide electricity to our homes.

Description : The dynamo is a device for converting (1) Heat energy into electrical energy (2) Mechanical energy into electrical energy (3) Magnetic energy into electrical energy (4) None of these

Last Answer : (2) Mechanical energy into electrical energy

Description : A dynamo is used to convert (1) mechanical energy into electrical energy (2) electrical energy into mechanical energy (3) electrical energy into magnetic energy (4) magnetic energy into mechanical energy

Last Answer : mechanical energy into electrical energy

Description : Dynamo is a device for converting (1) Heat energy into electrical energy (2) Mechanical energy into electrical energy (3) Magnetic energy into electrical energy (4) Chemical energy into electrical energy

Last Answer : Mechanical energy into electrical energy

Description : A transformer in an electric circuit serves to ____________. A. generate its own electrical power B. transform electrical energy into mechanical energy C. increase or decrease circuit voltage as required D. convert AC current to DC current

Last Answer : Answer: C

Description : Conversion of chemical energy into electrical energy occurs in - (1) Atomic bombs (2) Dynamo (3) A battery (4) Electric heaters

Last Answer : (3) A battery Explanation: A battery is a form of chemical energy that can be converted to electrical energy. it is a device consisting of one or more electrochemical cells which performs this action. The first battery (or "voltaic pile") was invented in 1800 by Alessandro Volta.

Description : Conversion of chemical energy into electrical energy occurs in – (1) atomic bombs (2) dynamo (3) a battery (4) electric heaters

Last Answer : (3) a battery Explanation: Conversion of chemical energy into electrical energy occurs in battery.

Description : Conversion of chemical energy into electrical energy occurs in (1) Atomic bombs (2) Dynamo (3) A battery (4) Electric heaters

Last Answer : A battery

Description : What is the name of the device that converts mechanical energy into electrical energy ?

Last Answer : Generator is a device that converts mechanical energy into electrical energy.

Description : What is the machine that converts mechanical energy or motion into electrical energy?

Last Answer : generator

Description : What is the machine that converts mechanical energy or motion into electrical energy?

Last Answer : generator

Description : A steam engine converts the heat energy of steam into _____. (1) Electrical energy (2) Chemical energy (3) Mechanical energy (4) Thermal energy

Last Answer : (3) Mechanical energy Explanation: Steam engine, machine for converting heat energy into mechanical energy using steam as a medium, or working fluid.

Description : A fuel cells converts ………energy into electrical energy A. Mechanical B. Magnetic C. Solar D. Chemical

Last Answer : D. Chemical

Description : What purpose does a generator serve in a hybrid vehicle? (a) It converts nuclear energy 6more nuclear energy. (b)It converts mechanical energy into electrical energy. (c) It converts chemical energy into electrical energy. (d)It converts electrical energy into mechanical energy.

Last Answer : (b)It converts mechanical energy into electrical energy.

Description : Alternating current generator converts.......... energy into electrical energy? a. mechanical energy b. chemical energy c. solar energy d. potential energy

Last Answer : a. mechanical energy

Description : Briefly explain how an electrical generator converts mechanical energy into electrical energy.

Last Answer : Working principle of DC generator: * Working principle of DC generator is the principle of dynamically induced emf or electromagnetic induction. * According to this principle, when flux is cut by a conductor, an ... , the flux is cut by the armature winding and an emf is dynamically induced in it. 

Description : Which of these is the purpose of the power-split device? • To split electrical energy into mechanical energy • To allow both the engine and electric motor to propel the vehicle • To recharge the battery while braking

Last Answer : • To allow both the engine and electric motor to propel the vehicle

Description : Which of these is the purpose of power-split device a) To split Electrical Energy into Mechanical Energy. b) To allow both the engine and Electric motor to propel the vehicle c) To recharge the battery while braking d) To recharge the brakes while driving

Last Answer : b) To allow both the engine and Electric motor to propel the vehicle

Description : A thermoelectric engine which consists of two dissimilar electric conductors connected at two junctions maintained at different temperatures, converts (a) Electric energy into heat energy [IES-2006] (b ... energy (c) Mechanical work into electric energy (d) Electric energy into mechanical work  

Last Answer : (b) Heat energy into electric energy  

Description : In an electric motor, the energy transformation is from _______. (1) electrical to chemical (2) chemical to light (3) mechanical to electrical (4) electrical to mechanical

Last Answer : (4) electrical to mechanical Explanation: An electric motor is an electrical machine that converts electrical energy into mechanical energy. The reverse of this would be the conversion of mechanical energy into electrical energy and is done by an electric generator.

Description : A device which converts chemical energy into electrical energy is called -----? A. motor B. generator C. moving-coil meter D. battery (Answer)

Last Answer : D. battery (Answer)

Description : Which of the listed electrical devices is represented by the symbol shown in the illustration? EL-0055 A. Fixed resistance resistor B. Coil with magnetic core C. DC motor or generator shunt field D. Transformer

Last Answer : Answer: D

Description : The electric charge is stored in a device called: (1) Inductor (2) Capacitor (3) Resister (4) Transformer

Last Answer : (2) Capacitor Explanation: A capacitor is a passive twoterminal electronic component that stores electrical energy in an electric field. The effect of a capacitor is known as capacitance.

Description : Transformer is a device to convert – (1) D.C. to A.C. (2) Low voltage D.C. into high voltage D.C. (3) Low voltage A.C. into high voltage A.C. (4) Mechanical energy into Electrical energy

Last Answer : (3) Low voltage A.C. into high voltage A.C. Explanation: A transformer is an electrical device that transfers energy from one circuit to another by magnetic coupling with no moving parts. It converts high volt-age AC into low voltage AC and vice-versa.

Description : Transformer is a device to convert (1) D.C. to A.C. (2) Low voltage D.C. into high voltage D.C. (3) Low voltage A.C. into high voltage A.C. (4) Mechanical energy into Electrical energy 

Last Answer : Low voltage A.C. into high voltage A.C.

Description : What is the difference between electric motor and dynamo ?

Last Answer : Electric energy is converted into mechanical energy in an electric motor. But in dynamos mechanical energy is converted into electrical energy.

Description : A device used for converting A.C. into D.C. is called – (1) Transformer (2) Rectifier (3) Induction coil (4) Dynamo

Last Answer : (2) Rectifier Explanation: A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in ... -arc valves, solidstate diodes, silicon-controlled rectifiers and other silicon-based semiconductor switches.

Description : Alternating current is converted into direct current by a – (1) Transformer (2) Dynamo (3) Oscillator (4) Rectifier

Last Answer : (4) Rectifier Explanation: A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as rectification.

Description : Alternating current is converted into direct current by a (1) transformer (2) dynamo (3) oscillator (4) rectifier

Last Answer : rectifier

Description : A device used for converting a.c. into d.c. is called (1) transformer (2) recticfier (3) induction coil (4) dynamo

Last Answer : recticfier