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What is electric motor explain its principle and working with the help of Labelled diagram?

By Daniel Moore
Ans: An electric motor is a device which converts electrical energy into mechanical energy. The principle behind the electric motor is based on Fleming's left hand rule. Working: When a current is allowed to flow through the coil PQRS the coil starts rotating anti-clockwise.

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Besides, what is an electric motor write its principle and describe its working with a Labelled diagram?

An electric motor converts electrical energy into mechanical energy. It works on the principle of the magnetic effect of current. A current-carrying coil rotates in a magnetic field. When a current is allowed to flow through the coil MNST by closing the switch, the coil starts rotating anti-clockwise.

Subsequently, question is, what is the principle of electric motor class 10th? The principle of the electric motor is based on the fact that a current carrying conductor produces a magnetic field around it. A current carrying conductor placed perpendicular to magnetic field experiences a force.

Similarly, it is asked, what is an electric motor give its principle?

A motor is an electrical machine which converts electrical energy into mechanical energy. The principle of working of a DC motor is that "whenever a current carrying conductor is placed in a magnetic field, it experiences a mechanical force".

What is the principle and working of a electric motor?

Electric motor: A motor is a device which converts electrical energy into mechanical energy. Principle of motor : A motor works on the principle that when a rectangular coil is placed in a magnetic field and current is passed through it. A force acts on the coil which rotates it continuously.

Related Question Answers

What is the purpose of a motor?

An electric motor is an electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of rotation of a shaft.

What are the special features of commercial electric motors?

What are the special features of commercial electric motors?
  • i. the coil is wound on a soft iron core. This increases the strength of magnetic field, which makes the motor more powerful.
  • ii. the coil contains a large number of turns of insulated copper wire.
  • iii. a powerful electromagnet is used in place of permanent magnet.

How does an electric motor work physics?

An electric motor converts electrical energy into physical movement. Electric motors generate magnetic fields with electric current through a coil. The magnetic field then causes a force with a magnet that causes movement or spinning that runs the motor.

What is meant by electromagnetic induction?

Electromagnetic induction is the production of voltage or electromotive force due to a change in the magnetic field. Electromagnetic induction was discovered by Michael Faraday in the 1830s. Many electrical components and types of equipment work based on the principle of electromagnetic induction.

Where do you make use of a solenoid?

Applications of Solenoid
  1. A solenoid is an essential coil of wire that is used in electromagnets, inductors, antennas, valves, etc.
  2. A solenoid is used to control a valve electrically, for example, the solenoid core is used to apply mechanical force to the valve.

What is the principle of an electric motor name two devices in which electric motors are used explain the role of split ring in an electric motor?

In an electric motor the role of split rings is to reverse the direction of current flowing through the motor coil after every half rotation of the coil. Due to this reversing of current, the direction of force remains unchanged on the two sides of the coil and hence the coil continues to rotate in the same direction.

What is the principle of working of motor?

The principle of electric motor is when a current carrying conductor is placed in a magnetic field it experiences a force. In case of dc motor we have field windings on stator and armature on the rotor. The field and the armature are connected to the dc supply. The field winding generates a constant dc flux.

What are the parts of a electric motor?

Electric motor designs can vary quite a lot, though in general they have three main parts: a rotor, a stator and a commutator. These three parts use the attractive and repulsive forces of electromagnetism, causing the motor to spin continually as long as it receives a steady flow of electric current.

How many types of motor are there?

The two main types of AC motors are induction motors and synchronous motors. The induction motor (or asynchronous motor) always relies on a small difference in speed between the stator rotating magnetic field and the rotor shaft speed called slip to induce rotor current in the rotor AC winding.

What are the types of motors?

Some of the most common electric motors used today include:
  • AC Brushless Motors. AC brushless motors are some of the most popular in motion control.
  • DC Brushed Motors. In a DC brushed motor, brush orientation on the stator determines current flow.
  • DC Brushless Motors.
  • Direct Drive.
  • Linear Motors.
  • Servo Motors.
  • Stepper Motors.

What is the current?

Current is the flow of electrical charge carriers like electrons. Current flows from negative to positive points. One ampere of current is defined as one coulomb of electrical charge moving past a unique point in a second. Electric current is widely used in household and industrial appliances.

What is the function of commutator?

Function of commutator: To keep the torque on a DC motor from reversing every time the coil moves through the plane perpendicular to the magnetic field, a split-ring device called a commutator is used to reverse the current at that point.

Where is electric motor used?

In household articles such as washing machines, refrigerators, coolers, dish washing machines, ceiling fans, exhaust fans, table fans etc, electric motors are very widely used. Small, micro electric motors are used in a wide scale in electronic instruments, computers, space applications like satellites etc.

What is the function of brushes in electric motor?

IN ELECTRIC MOTOR the function of brushes is to make contact with the rotating rings and through them to supply current to the coil. function of commutator in an electric motor is to reverse the direction of current through the coil periodically.

What is an armature in an electric motor Class 10?

Armature is the rotating part of a motor or a generator. In a motor the armature rotates when electricity is provided thus it converts electrical and magnetic energy into mechanical energy.

What is the working of AC generator?

An AC generator is an electric generator that converts mechanical energy into electrical energy in form of alternative emf or alternating current. AC generator works on the principle of ”Electromagnetic Induction”.

What is induced current?

Induced current is the current produced by change in magnetic flux. According to FARADAY'S LAW when there is change in magnetic flux over wire, then a current is is produced in the wire, such current is called induced current. Or producing current by induction.