What is the difference between electric motor and dynamo ?

What is the difference between electric motor and dynamo ?
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1 Answer

Answer :

Electric energy is converted into mechanical energy in an electric motor. But in dynamos mechanical energy is converted into electrical energy.
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The device used for converting mechanical energy into electrical energy is called a/an (a) cell (b) transformer (c) dynamo (d) electric motor

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

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State the functions of the following components in a dynamo /motor.

Description : State the functions of the following components in a dynamo /motor.

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What is the source of electric energy in an artificial satellite? (a) A mini nuclear reactor (b) A dynamo (c) A thermopile (d) Solar cells

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

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

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

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

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

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What is Dynamo ?

Description : What is Dynamo ?

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

What is Dynamo ?

Description : What is Dynamo ?

Last Answer : A device that converts mechanical energy into electrical energy is called a generator or dynamo. There are two types of dynamo , namely: a. C. Dynamo and d. C. Dynamo.

Which energy is converted into which energy in the dynamo ?

Description : Which energy is converted into which energy in the dynamo ?

Last Answer : Mechanical energy is converted into electrical energy in dynamos.

Who Discovered the Dynamo ?

Last Answer : Discover Dynamo (Michael Faraday)

Who Discovered the Dynamo ?

Last Answer : Faraday discovered the dynamo.

How do you Demonstrate the genaration of electricity using dynamo?

Description : How do you Demonstrate the genaration of electricity using dynamo?

Last Answer : What is the answer ?

Do I need to buy a Dynamo label printer in order to use Dynamo address labels?

Description : Do I need to buy a Dynamo label printer in order to use Dynamo address labels?

Last Answer : Yes, you do need to buy a dynamo address labeler in order to use the dynamo address labels. They sell them on www.Amazon.com

Which of the following does not rely on the magnetic effect of current for its working? (a) Fan (b) Telephone receiver (c) Carbon microphone (d) Dynamo

Description : Which of the following does not rely on the magnetic effect of current for its working? (a) Fan (b) Telephone receiver (c) Carbon microphone (d) Dynamo

Last Answer : Ans:(c)

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

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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.

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

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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.

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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.

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

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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.

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

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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.

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

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

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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.

Alfred Nobel invented - (1) X ray (2) Diesel Engine (3) Dynamite (4) Dynamo

Description : Alfred Nobel invented - (1) X ray (2) Diesel Engine (3) Dynamite (4) Dynamo

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

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

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

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A cyclist riding a cycle fitted with a dynamo to a tyre gets bright light in the bulb connected, when he pedals fast. Why?

Description : A cyclist riding a cycle fitted with a dynamo to a tyre gets bright light in the bulb connected, when he pedals fast. Why?

Last Answer : More magnetic lines of force change with respect to the coil, leading to more current being produced.

What energy conversion does take place in a dynamo when it is in use?

Description : What energy conversion does take place in a dynamo when it is in use?

Last Answer : Mechanical energy changes into electrical energy.

In an AC dynamo, the speed at which the coil rotates is doubled. How would this affect a) the frequency of output voltage b) the maximum output voltage?

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Last Answer : a) Frequency is doubled b) Maximum output voltage is doubled.

Suggest two ways in an AC dynamo to produce a higher emf.

Description : Suggest two ways in an AC dynamo to produce a higher emf.

Last Answer : a) By increasing the speed of rotation of coil b) By increasing the number of turns of the coil.

Give reason: Split rings are used instead of slip rings to construct DC dynamo

Description : Give reason: Split rings are used instead of slip rings to construct DC dynamo

Last Answer : Split rings make the current to flow in the same direction in the external circuit in both cycles.

What is a DC dynamo?

Description : What is a DC dynamo?

Last Answer : A dynamo that produces a "direct current" is called DC dynamo.

What is an AC dynamo?

Description : What is an AC dynamo?

Last Answer : A dynamo that produces an alternating current is called AC dynamo.

On what principle does a dynamo work?

Description : On what principle does a dynamo work?

Last Answer : Dynamo works on the principle of electromagnetic induction.

What is a dynamo?

Description : What is a dynamo?

Last Answer : A dynamo is a device which converts mechanical energy into electrical energy.

State Fleming's right hand rule or Dynamo rule.

Description : State Fleming's right hand rule or Dynamo rule.

Last Answer : Arrange the first three fingers of the right hand mutually perpendicular to each other; if the fore finger indicates the direction of magnetic field, the thumb in the direction of motion of the conductor, then the middle finger indicates the direction of the induced e.m.f

Marble is —rock a. Hydro metamorphic b. Dynamo metamorphic c. Thermo metamorphic d. Acidic

Description : Marble is —rock a. Hydro metamorphic b. Dynamo metamorphic c. Thermo metamorphic d. Acidic

Last Answer : c. Thermo metamorphic

What is bicycle dynamo?

Description : What is bicycle dynamo?

Last Answer : The dynamo is a small generator which produces electricity from the energy of your body when you pushing pedal. Some bicycle may have a dynamo to light up its lamp.

The battery has following three major functions to perform: a) To provide a source of current for engine starting, lighting and use of horn. b) To help control the voltage in the electrical system. c) To store the current produced by dynamo/alternator and to furnish the current d) all of the above. Ans. d

Description : The battery has following three major functions to perform: a) To provide a source of current for engine starting, lighting and use of horn. b) To help control the voltage in the electrical system. c ... the current produced by dynamo/alternator and to furnish the current d) all of the above. Ans. d

Last Answer : ans d

A turbo chargers are driven by 1. Engine 2. Exhaust gas 3. Dynamo 4. PTO ans 2

Description : A turbo chargers are driven by 1. Engine 2. Exhaust gas 3. Dynamo 4. PTO ans 2

Last Answer : ans 2

The hp available at the crank shaft which is measured by a suitable dynamo meter is called 1. IMEP 2. BHP 3. Both 1 and 2 4. none of these

Description : The hp available at the crank shaft which is measured by a suitable dynamo meter is called 1. IMEP 2. BHP 3. Both 1 and 2 4. none of these

Last Answer : <!-- [if !supportLists] -->1.   <!-- [endif] -->ans 2  

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

Alternators are preferred over dynamo because A. Alternators can produce a strong current of 30-40 amperes. B. Alternators don’t required cutout reiny C. Alternators don’t have commutaters D. All of the above

Description : Alternators are preferred over dynamo because A. Alternators can produce a strong current of 30-40 amperes. B. Alternators don’t required cutout reiny C. Alternators don’t have commutaters D. All of the above

Last Answer : D. All of the above

main function of the current regulator is A. To prevent the reversal flow of current from the battery when dynamo speed is drops. B. To safeguard against flow of high currents to battery when armature develops more current. C. To prevent building up of high voltage in a circuit. D. None of the above

Description : main function of the current regulator is A. To prevent the reversal flow of current from the battery when dynamo speed is drops. B. To safeguard against flow of high currents to battery when armature develops ... . C. To prevent building up of high voltage in a circuit. D. None of the above

Last Answer : B. To safeguard against flow of high currents to battery when armature develops more current.

Main function of cutout relay in electrical circuit is A. To prevent the reversal of current flow from the battery when dynamo speed (engine speed) reduces. B. To restrict the maximum output at high speed. C. To permit the generation to deliver current to the battery or to the lightening and ignition circuit. D. None of the above

Description : Main function of cutout relay in electrical circuit is A. To prevent the reversal of current flow from the battery when dynamo speed (engine speed) reduces. B. To restrict the maximum output at ... deliver current to the battery or to the lightening and ignition circuit. D. None of the above

Last Answer : A. To prevent the reversal of current flow from the battery when dynamo speed (engine speed) reduces.

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

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

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

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

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

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

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