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The direction of magnetic force produced by a motor is perpendicular to the direction of-

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Important Questions on Magnetic Effects of Electric Current

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The temperature of the water at the bottom of a water fall is higher than that of the water at the top, because :
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In any physical or chemical process, the total energy:
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Describe in your words the law of conservation of energy.
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What is the role of the split ring in an electric motor?
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State the energy changes in the case of an electric iron while in use.
MEDIUM

Name a machine that converts electrical energy into mechanical energy.

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Explain the working of an electric motor.
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State the energy changes in the case of a ceiling fan while in use.
HARD
Name the device that converts electrical energy into mechanical energy. Draw its diagram and label the parts.
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State two ways to increase the speed of rotation of a DC motor.
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The principle of working of a motor is
HARD
What is an electric motor? Describe its method of working with a diagram.
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In a simple Pendulum the displacement is equal to amplitude. Then kinetic energy will be
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State the basic principle of an electric motor. What is the function of a split ring in an electric motor?
HARD

Explain the working of electric motor with a neat diagram.

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Which device is used to convert mechanical energy into electrical energy? Draw a neat diagram and label the parts of this device.
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An electric device which converts electric energy into mechanical energy is called