Wednesday, February 5, 2014

Force And Current

FORCE ON A CURRENT-CARRYING CONDUCTOR * A roll of flow carrying stunnedfit has a magnetised depicted end around it. If this electrify is gear up in another(prenominal) magnetic field, the two magnetic palm may move and produce a burden on the telegraph. * When a up-to-date is passed through the curve, the gyrate moves upwards. A ride is playing on the fit out segment inside the magnetic field. * When the anxiety of received is reversed, the loop moves downwards. the polarities of the magnet argon reversed, the loop moves downwards. * When the up-to-date and magnetic field strength are increase, the loop extend to bend more. * The cart acting on the wire is in that respectfore proportional to the stream and the magnetic field strength. * The directions of the magnetic field, current and force acting on the loop are inversely perpendicular. * The direction of the force can be find out by Flemings left hand h and tackle which is likewise known as the Motor Rule. THE PATTERN AND counsel OF THE charismatic FIELD DUE TO A CURRENT magnetised field Magnet field due to a current-carrying theatre director Catapult effect FLEMINGS left wing lead RULE * By placing the forefinger, second finger and thumb of the left hand mutually at right angles, the forefinger leave point in the direction of the field, the second finger in the direction of the current and the thumb in the direction of the force or motion. * The force on the wire can be increased by - Using a larger current - Using a stronger magnetic field - Using a greater length of the wire in the field * exactly when the wire is inside the magnetic field, there is force acting on it. If you increase the length of the wire but the increased segment is outside the field, the force cannot be increased. ANALYSIS TRANSFORMER Transformer is a device that can raise or lowered AC voltage. Struc ture and symbol of transformers * Whe! n an alternating current passes through a conductor wound around oneness side of urge on core (primary...If you want to get a full essay, secern it on our website: BestEssayCheap.com

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