Find the median of the following data
xi = 34,37,40,43,46
fi =5,5,17,12,6
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Answer:
the median of xi is 40 and median of fi is 17.
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Electric motor: An electric motor is a device which converts the electrical energy into the mechanical energy.
Principle: An electric motor (dc motor) works on the principle that when an electric current is passed through a conductor placed normally in a magnetic field, a force acts on the conductor as a result of which the conductor begins to move and mechanical energy is obtained.
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