Ac Generator

Ac Generator On YouTube.

Check us out at www.tutorvista.com The turning of a coil in a magnetic field produces motional emfs in both sides of the coil which add. Since the component of the velocity perpendicular to the magnetic field changes sinusoidally with the rotation, the generated voltage is sinusoidal or AC. This process can be described in terms of Faraday's law when you see that the rotation of the coil continually changes the magnetic flux through the coil and therefore generates a voltage. A hand-cranked generator can be used to generate voltage to turn a motor. This is an example of energy conversion from mechanical to electrical energy and then back to mechanical energy. As the motor is turning, it also acts as a generator and generates a "back emf". By Lenz's law, the emf generated by the motor coil will oppose the change that created it. If the motor is not driving a load, then the generated back emf will almost balance the input voltage and very little current will flow in the coil of the motor. But if the motor is driving a heavy load, the back emf will be less and more current will flow in the motor coil and that electric power being used is converted to the mechanical power to drive the load.

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O2 Innovations Personal Oxygen Bar (Includes Headset, Storage Cover, Extra Filters and Manual)

Product Brand : O2 Innovations Model : CTA-08 115V
# List Price : $599.00 # Offer Price : $599.00
	O2 Innovations Personal Oxygen Bar (Includes Headset, Storage Cover, Extra Filters and Manual) The O2-B Personal Oxygen Bar delivers 40% (+/- 2%) oxygen enriched air at 3 LPM (liters per minute) with quiet operation, sleek design and is user-friendly. The O2-B Unit provides the highest oxygen output of any non-medical personal oxygen concentrator. The O2-B Personal Oxygen Bar comes complete with a state-of-the-art headset, 30 day money back guarantee, 1 year limited warranty, free additional air intake filter, protective cover and 12 mouthpiece filters. Ideal for home, office or commercial use. Weighs only 15 pounds, has a built in handle and only requires a standard 110v electrical outlet for use Breathe clean, fresh oxygen-enriched air anytime-anywhere with our state-of-the-art headset Increases energy, stamina, concentration and alertness, promotes relaxation and eases headaches Rejuvenates athletes, especially while training in higher elevations Breathe easier in city environments, revitalizes airline travelers 30 day money back guarantee and 1 year limited warranty Free additional air intake filter and 12 mouthpiece filters Ideal for home, office or commercial use O2-B Personal Oxygen Bar comes complete with a state-of-the-art headset Protective cover

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