East-West (at 90 to the compass). A length of 60 cm is a good start. It is called "Internal Resistance". What sensor do you use to measure the intensity? As manufacturing precision became greater it was reduced to 25/24. Physics Co-ordinator Peter Finch from St Joseph's College, Gregory Terrace, Brisbane, said that the results from such experiments are generally excellent (if the experiment is done properly). The Wet and Dry Bulb Hygrometer is there to ensure humidity is controlled. Applying a voltage difference across a conductor and measuring the current flowing through a resistor allows the resistance of the conducting material to be determined. If the left and right earbuds are placed 1 metre apart then a sound coming from one side, in line with the earbuds, will take about.003 s to get from one to the other (t s/v.00/330.003 s, assuming that sound travels. The magnetic field from the magnet is oriented through its * faces, so it is to the magnet's axis of symmetry.
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However, net force is no longer ma (where m mass of the sphere) as the mass is increased by the "added mass" (m. If the CRO is measuring DC voltages it should work fine for AC, so I would doubt it is a fault with the CRO (unless perhaps the fault is in the trigger circuitry, but that is not likely). If none of these work, maybe you have a short in the wires you are using. With a water syphon (see below) it seems logical that the flow rate is dependent on the height of the "loop". A first year university experiment is shown in the diagram below but you could do it with a Buchner flask in place of RF (below) and a plastic water bottle, stoppers and glass tubing.
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