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

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
by

1 Answer

Answer :

d. mechanical energy into heat energy
by

Related questions

Heat energy is converted into electrical energy a. solar cells b. thermocouples c. electric generators d. none

Description : Heat energy is converted into electrical energy a. solar cells b. thermocouples c. electric generators d. none

Last Answer : b. thermocouples

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

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

Devices which convert various physical quantities into electrical voltage are known as (a) Control system (b) sensors (c) level sensors (d) LDR

Description : Devices which convert various physical quantities into electrical voltage are known as (a) Control system (b) sensors (c) level sensors (d) LDR

Last Answer : (b) sensors

Explain the suitability of aluminium as an electrical conductor with respect to its mechanical and electrical properties.

Description : Explain the suitability of aluminium as an electrical conductor with respect to its mechanical and electrical properties. 

Last Answer : Following are requirements of conductor:- i) High conductivity :  Material should have high conductivity, So that * cross section of conductor (size) reduces, * Copper losses reduces, * So Efficiency ... . Boiling point is 1820°C 9. Specific gravity is 2.7 10. High resistance to corrosion. 

Electrical energy is converted to heat at the rate of a. IRt b. I 2R c. I 2Rt d. VIt

Description : Electrical energy is converted to heat at the rate of a. IRt b. I 2R c. I 2Rt d. VIt

Last Answer : b. I 2R

When an alternating current passes through an ohmic resistance the electrical power converted into heat is?

Description : When an alternating current passes through an ohmic resistance the electrical power converted into heat is?

Last Answer : When an alternating current passes through an ohmic resistance the electrical power converted into heat is true power.

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

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

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

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.

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

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.

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

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

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

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

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

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.

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

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

In fuel cell the __________ energy is converted into electrical energy.

Description : In fuel cell the __________ energy is converted into electrical energy.  (A) Mechanical (B) Chemical (C) Heat (D) Sound

Last Answer : In fuel cell the Chemical energy is converted into electrical energy. 

Generators convert mechanical motion to electrical energy using what principle?

Description : Generators convert mechanical motion to electrical energy using what principle?

Last Answer : Magnetic induction

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

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.

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

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

A galvanometer of 65 Ω resistance gives full scale deflection with 4 mA current. In order to convert it into ammeter, the range of 10 A is connected with it, the shunt resistance should be a) 0.1 Ω b) 0.2 Ω c) 0.06 Ω d) 0.03 Ω

Description : A galvanometer of 65 Ω resistance gives full scale deflection with 4 mA current. In order to convert it into ammeter, the range of 10 A is connected with it, the shunt resistance should be a) 0.1 Ω b) 0.2 Ω c) 0.06 Ω d) 0.03 Ω

Last Answer : d) 0.03 Ω

Problems on electrical power and energy

Description : Problems on electrical power and energy

Last Answer : Problem on electrical power and energy 1 : https://youtu.be/ZvWHuMdmv9g Problem on electrical power and energy 2 : https://youtu.be/19IZMc6U2vs Problem on electrical power and energy 3 : https ... : https://youtu.be/iYqGIwA919A Problem on electrical power and energy : https://youtu.be/iWnWQz_mzHk

Problem on electrical power and energy 2

Description : Problem on electrical power and energy 2

Last Answer : Problem on electrical power and energy 2

Problem on electrical power and energy 1

Description : Problem on electrical power and energy 1

Last Answer : Problem on electrical power and energy 1

Problem on electrical power and energy 7

Description : Problem on electrical power and energy 7

Last Answer : Problem on electrical power and energy 7

Problem on electrical power and energy 6

Description : Problem on electrical power and energy 6

Last Answer : Problem on electrical power and energy 6

Problem on electrical power and energy 5

Description : Problem on electrical power and energy 5

Last Answer : Problem on electrical power and energy 5

State the need of energy conservation in electrical motor.

Description : State the need of energy conservation in electrical motor.

Last Answer : Need of energy conservation in Electrical motors: 1. Induction motors are used as electrical drives in industrial, commercial and residential sectors. 2. Considering all industrial applications, 70% of ... system. 8. To adopt advanced technology in design and to use better quality materials.

Describe the following energy conservation methods of electrical motor. i) By motor survey ii) By matching loads with motor rating

Description : Describe the following energy conservation methods of electrical motor. i) By motor survey ii) By matching loads with motor rating

Last Answer : Energy conservation methods of electrical motor:  1) By Motor Survey: Large industries have a massive population of LT motors. Load survey of LT motors can be taken-up methodically to ... -speed motors, eddy-current couplings, fluid couplings, and solid-state electronic variable speed drives.

In order to have a lower cost of electrical energy generation the load factor

Description : In order to have a lower cost of electrical energy generation the load factor  (1) and the diversity factor should be low (2) should be low but the diversity factor should be high (3) should be high but the diversity factor should be low (4) and the diversity factor both should be high

Last Answer : In order to have a lower cost of electrical energy generation the load factor and the diversity factor both should be high

Why is it cheaper to transmit electrical energy at high voltage?

Description : Why is it cheaper to transmit electrical energy at high voltage?

Last Answer : Because of the electrical energy was step upped by transformers the transformer have high efficiency than the electric energy is cheaper

is a non-contact type measurement which when directed at a heat source directly gives the temperature read out. a) Thermocouples. c) Contact thermometers. b) Humidity. d) Infrared thermometers

Description : is a non-contact type measurement which when directed at a heat source directly gives the temperature read out. a) Thermocouples. c) Contact thermometers. b) Humidity. d) Infrared thermometers

Last Answer : Infrared thermometers

is a non-contact type measurement which when directed at a heat source directly gives the temperature read out. a) Thermocouples. b) Contact thermometers. c) Humidity. d) Infrared thermometers.

Description : is a non-contact type measurement which when directed at a heat source directly gives the temperature read out. a) Thermocouples. b) Contact thermometers. c) Humidity. d) Infrared thermometers.

Last Answer :  Infrared thermometers.

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

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.

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

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.

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

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.

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

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

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

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

Can you help me solve my electrical mystery?

Description : Can you help me solve my electrical mystery?

Last Answer : Any signs of animal life? They can get in the walls and chew on the wires. Or is it the entire area served by that breaker? The breaker could be bad. It happens with anything mechanical.

Air conditioning will not turn on, is it electrical?

Description : Air conditioning will not turn on, is it electrical?

Last Answer : Pull the Thermostat off the wall and see if it is connected correctly to the AC switch. There should be no dangling wires, and the post labeled for the AC should have an attached wire.

Have you ever taken a shower or bath during an electrical storm?

Description : Have you ever taken a shower or bath during an electrical storm?

Last Answer : I’ve heard this rumor, and I too question it’s validity. I mean, if electricity can’t travel up a stream of urine (See mythbusters) I’m pretty sure it couldn’t travel through a shower stream. Perhaps through the drain? In either case, I’ve taken a shower in a storm before, and.. well, you see?

Electrical breaker box is buzzing-why??

Description : Electrical breaker box is buzzing-why??

Last Answer : No! Do not upgrade the breaker. The wire must also be upgraded if you do. Try plugging it in a different room. Is the problem still there?

Electrical Wiring Who Say ?

Last Answer : Wire Through In load ( e.g. fan , lamp ) Etc. ) electric Power Supply To do Ordinary To the system Electric Waring Says. General In a sense Load Electric Power Supply To do For Of wires Ordinary In the system Being Electric Waring.

What are the safety precautions when working on electrical equipments?

Description : What are the safety precautions when working on electrical equipments?

Last Answer : Switch off power, wear proper protective clothing, safety shoes, Notice board : Do not switch on - Men at work, stand on rubber mat, remove metal rings, watch bracelets, use proper insulated tools, ... work permit. In case of electrical shock, give proper first aid, check heart beat and pulse.

What limits the electrical load?

Description : What limits the electrical load?

Last Answer : The available power is fixed and the voltage is fixed, so the setting of the breaker or fuse is the normal current of the load. If the load exceeds the rated current, then the breaker or fuse will operate and limit the load.

All electrical appliances are connected in parallel to each other between the main line and neutral wire to get a. same current b. same current and potential difference c. different current but same potential difference d. different current and potential differences

Description : All electrical appliances are connected in parallel to each other between the main line and neutral wire to get a. same current b. same current and potential difference c. different current but same potential difference d. different current and potential differences

Last Answer : c. different current but same potential difference

An immersion heater of 400 watts kept on for 5 hours will consume electrical power of a. 2KWh b. 20KWh c. 6KWh d. 12KWh

Description : An immersion heater of 400 watts kept on for 5 hours will consume electrical power of a. 2KWh b. 20KWh c. 6KWh d. 12KWh

Last Answer : a. 2KWh

What are the test and measuring instrument required in an Electrical depots?

Description : What are the test and measuring instrument required in an Electrical depots?

Last Answer : Ans. Following are the test and measuring instruments required in an Electrical depots. a. Test lamp b. Line Tester c. Continuity tester d. Volt meter e. Ammeter f. Earth megger g. Megger h. Lux meter i. Power analyzer j. Infrared thermometer

How to replace the electrical wiring in the apartment?

Description : How to replace the electrical wiring in the apartment?

Last Answer : How to replace the electrical wiring in the apartment? In most cases, when renovating an apartment, a complete replacement of the electrical wiring is required, especially if the house was built in ... Upon completion of the finishing, the new electrical wiring in your apartment is ready for use.

State different types of electrical signal and draw all types of waveforms.

Description : State different types of electrical signal and draw all types of waveforms.

Last Answer : Types of electrical signals 1) Sine wave 2) Triangular wave 3) Square wave Waveforms

Electrical Measuring Instruments

Description : Electrical Measuring Instruments

Last Answer : Electrical Measuring Instruments