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प्रश्न
i) Which principle is explained in this figure?
ii) Which rule is used to find out the direction of a force in this principle?
iii) In which machine this principle is used? Draw a diagram showing working of that machine
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उत्तर
i. A force is exerted on the current-carrying conductor in the presence of a magnetic field.
ii. The Fleming’s Left-hand Rule is used.
iii. Electric Motor
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