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प्रश्न
Name some devices in which electric motors are used
उत्तर
Some devices in which electric motors are Water pumps, Electric fans, Electric mixers and Washing machines.
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संबंधित प्रश्न
Name any four appliances where electric motor is used.
What is the role of the split ring in an electric motor?
State whether the following statement is true or false.
An electric motor converts mechanical energy into electrical energy.
Explain the construction and working of an electric motor.
Explain the function of the following parts of an electric motor.
Armature
A motor converts one form of energy into another. Name the two forms.
State what would happen to the direction of rotation of a motor if:
both current and magnetic field were reversed simultaneously.
Study the following principle and answer the question.
A force is excreted on the current carrying conductor. The direction of this force depends on both the direction of the current and the direction of the magnetic field. This force is maximum when the direction of current is perpendicular to the direction of the magnetic field.
a) By which law we can determine the direction of force excreted on the current carrying conductor.
b) In which electrical equipment this principle is used.
c) Draw a diagram representing construction of this equipment.
d) Write the working of this equipment in brief.
Direction of rotation of a coil in electric motor is determined by ____________.
How can the speed of rotation of a coil be increased? Write at least three methods.
