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What is the principles of electric motor |
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Answer» Hold ur forefinger ,middle finger and thumb of ur right hand at right angle to each other then forefinger point gives direction of magnetic field , thumb give direction of motion and middle gives the direction of induced current U can right right hand rule in it... u will get full marks When a rectangular coil placed in magnetic field and current passing through it , then a force acting on it which rotates it continuously An electric motor works on the principale that when a current carrying coil is placed perpendicular to the magnetic field then it experiences a force and it rotates the coil continuously |
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