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Summary of Contents for Eisco DEMONSTRATION DYNAMO
- Page 1 DEMONSTRATION DYNAMO CAT NO. PH 1246 Experiment Guide...
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Page 2: Maintenance Required
Over time magnets will lose their magnetic field strength, especially if they are dropped or hit. The apparatus will generate more current if the magnets are remagnetized before use. You can use EISCO's Magnetizing and Demagnetizing Coil PH 0804A for this purpose. BACKGROUND: This apparatus allows students to easily create an electrical DC current by turning a hand crank. - Page 3 The end of the nail that is the north pole is determined by using the right hand rule. Conventional current assumes that the current flows from positive charge to negative. Magnetic field lines go out of north and into south. © EISCO SCIENTIFIC www.eiscosci.com...
- Page 4 Diagram 1 OPERATION OF EQUIPMENT: 1. Attach a bulb to the leads as shown in diagram 1. 2. Turn the hand crank. The faster you rotate the hand crank, the brighter the light bulb will glow. © EISCO SCIENTIFIC www.eiscosci.com...
- Page 5 The blue bracket is also magnetized as a north pole because it repels the north end of my compass. On the diagram below label the north and the south pole of bar magnet and then draw at least three magnetic field lines using directional arrows. North Pole South Pole © EISCO SCIENTIFIC www.eiscosci.com...
- Page 6 Draw a diagram of current vs. time on the diagram below for the DC generator. Start when the coil is vertically oriented and draw at least one complete rotation. Indicate at least one point where the coil is horizontal and one point where the coil is vertical. Current Time Vertical Horizontal © EISCO SCIENTIFIC www.eiscosci.com...
- Page 7 What is the purpose of the apparatus to hold up the magnet? Why is it made out of metal? The apparatus that holds up the magnet also acts as an induced magnet. It increases the strength of the magnetic field and allows more current to be generated through the wires. © EISCO SCIENTIFIC www.eiscosci.com...
- Page 8 Orient the coil so it is horizontal and then using the right hand rule determine which direction the current will be induced in the wire. Use x for current coming out of the page and for current going into the page. © EISCO SCIENTIFIC www.eiscosci.com...
- Page 9 Draw a diagram of current vs. time on the diagram below for the DC generator. Start when the coil is vertically oriented and diagram at least one complete rotation. Indicate at least one point where the coil is horizontal and one point where the coil is vertical. Current Time © EISCO SCIENTIFIC www.eiscosci.com...
- Page 10 What is the purpose of the apparatus to hold up the magnet? Why is it made out of metal? ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ Manufactured by : U.S. Distributor : Eisco Scientific 850 St Paul St, Suite 15, Rochester, NY 14605 Website : www.eiscosci.com www.eiscolabs.com EISCO SCIENTIFIC instructions, content and design is intellectual property of EISCO...
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