Class 10 science ch 4 chemistry.
Qno 5 Only..........
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Phosphorus pentachlorde and sulphur hexafluoride.....
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1) A device changing electrical energy into mechanical energy is known as electric motor.
2) It is used in fans, refrigerators, Mixers, washing machines, computers, pumps, etc.
3) The electric motor consists of rectangular loop of copper wire having resistive coating.
4) The two ends of the loop are connected to the two halves (X and Y) of the split ring.
Explanation:
Electric Motor.
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