Description : A device that transforms values of physical variables into equivalent electrical signals is called_____________
Last Answer : Ans- Transducer
Description : Devices that transforms electrical signals into physical movements A. Sensors B. Actuators C. Switches D. Display
Last Answer : B. Actuators
Description : By which device mechanical energy is converted into electrical energy? -General Knowledge
Last Answer : Dynamo The device used to convert mechanical energy into electrical energy is called Dynamo.
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 : 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 : 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 : 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 : Speaker is a device that __________. A. convert current variations into sound waves B. none of these C. convert electrical energy to mechanical energy D. convert sound waves into current and voltage
Last Answer : A. convert current variations into sound waves
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 : 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 : 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 : 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 : 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 : Microphone is a device which transforms the – (1) sound signal into current signal (2) current signal into sound signal (3) sound signal into light signal (4) light signal into sound signal
Last Answer : (1) sound signal into current signal Explanation: Microphone is a device which transforms the sound signal Into current signal.
Description : Microphone is a device which transforms the (1) sound signal into current signal (2) current signal into sound signal (3) sound signal into light signal (4) light signal into sound signal
Last Answer : sound signal into current signal
Description : Why In a standard vehicle the braking system transforms the kinetic energy into what?
Last Answer : What is the answer ?
Description : How are similarities between thermal energy and electrical energy mechanical energy electromagnetic?
Last Answer : They are both an energy
Description : What is the machine that converts mechanical energy or motion into electrical energy?
Last Answer : generator
Description : Is sanding a board chemical energy to mechanical or electrical energy?
Last Answer : Feel Free to Answer
Description : In microphone, transformation of energy takes place from (a) Sound into electrical energy (b) Electrical into sound energy (c) Sound into mechanical energy (d) Mechanical into sound energy
Last Answer : Ans:(b)
Description : Energy conversions taking place in a microphone are (a) sound to mechanical to electrical (b) electrical to mechanical to sound (c) sound to mechanical (d) mechanical to sound
Last Answer : Ans:(a)
Description : Which of the following devices converts electrical energy into mechanical energy? (a) Dynamo (b) Transformer (c) Electric motor (d) Inductor
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 : The sum of potential energy and kinetic energy is known as : (1) Electrical energy (2) Chemical energy (3) Light energy (4) Mechanical energy
Last Answer : (4) Mechanical energy Explanation: In physical sciences, mechanical energy is the sum ofpotential energy and kinetic energy. It is the energy associated with the motion and position of an object.
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 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 : 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 : 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 : 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 : 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 : 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 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 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 : Mechanical energy is countered into electrical energy
Last Answer : Microphone
Description : The nerve fiber is capable of converting which stimuli to electrical energy a. Mechanical b. chemical c. Both d. none of them
Last Answer : Both
Description : The following is the correct order of energy conversion in thermal power plants a. Chemical energy - Mechanical energy - Electrical energy b. Mechanical energy - Chemical energy - Electrical energy c ... - Mechanical energy - Electrical energy d. Heat energy - Electrical energy - Mechanical energy.
Last Answer : a. Chemical energy – Mechanical energy – Electrical energy
Description : When brakes are applied on a moving vehicle the kinetic energy is converted to A. Mechanical energy B. Heat energy C. Electrical energy D. Potential energy
Last Answer : B. Heat energy
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 : Generators convert mechanical motion to electrical energy using what principle?
Last Answer : Magnetic induction
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 : Thermocouples convert a. heat energy into electrical energy b. heat energy into light energy c. heat energy into mechanical energy d. mechanical energy into heat energy
Last Answer : d. mechanical energy into heat energy
Description : DC motors converts electrical into ___ energy. A. Mechanical B. Wind C. Electric D. None
Last Answer : A. Mechanical
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