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Function To show the distribution of the induced charges. |
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Description It is formed by a cylindrical conductor on an insulated stand and by pendulums at the ends. It serves for experiments on induced charges and on the electric density of a conductor that presents different curvatures. | |||
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Function To show that the charge of a conductor does not exercise any action inside it. |
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Description The hood is formed by a metallic cylindrical cloth that ends with a spherical cap. The experiments are used to demonstrate that inside the hood the induction phenomena does not exist and neither do any electric forces, nor electric charges. | |||
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Function To show electric attractions and repulsions. |
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Description Two bars of insulating material with one bell on the ends, are placed on a rectangular wooden basis. A small metallic hammer hangs from a third bar placed between the other two. If we connect the two bells to the poles of an electrostatic machine the hammer is attracted in succession by the two bells. If one of the two bells is placed on the ground and the other is charged by contact, the oscillation diminishes little by little. This happens because the charged bell loses its electric charge. | |||
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Description A metal bar is placed transversally on the top of a wooden support. A metallic star formed by six radius whose ends are curved is placed in its centre, where it can rotate. | |||
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Function To study the characteristics of the capacitors. |
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Description It is a condenser formed by a metallic glass with another glass inside containing another conic metallic conductor with a knob in the upper part. | |||
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Function To study the characteristics of a plate capacitor. |
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Description This is the classic capacitor, with two metallic sliding plates supported by insulating columns, separated by a painted glass sheet. The small pendulums indicate the presence and the quality of the electric charge. | |||
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Function To show electric discharges across low pressure air. |
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Description It is formed by a glass insulating ball, with a key and a screw connection to connect it to a pneumatic pump and by a cast iron basis polished with emery that is possible to place it on the plate of a pneumatic pump. The two conductors end with 18 mm spheres. One can be substituted by a point. The above conductor slides at friction along the axis of a set of leather disks, pressed as a gland, that assures a perfect seal. | |||
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Function Production of static electricity. |
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Description A glass disk is rubbed and it charges. Metallic combs transfer the charges to a insulated conductor. | |||
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Function Production of static electricty. |
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Description Tinfoil strips placed on two rotating disks charge through rubbing and transmit the charges to two combs that store them in two capacitors (Leyden jars). | |||
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Function To show the functioning of the pile. |
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Description It is formed by superimposed copper and zinc disks, alternating with cloth disks placed between two wooden disks held together by three brass poles. | |||
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Function To show the functioning of the pile. |
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Description The model is formed with two carbon electrodes with raising zinc. The container has the form of a spherical bottle. The capacity is one litre. | |||
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Function To show the functioning of an accumulator. |
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Description It is formed by a glass cell placed inside a wooden case. The electrodes are connected to the screw socket of a lamp. | |||
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Function Orientation. |
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Description The heavy box (compass bowl) is held by a brass ring, on which it turns along a certain diameter. The ring then turns on the vertical fork along a second diameter perpendicularly to the first. As the centre of gravity is very low, the compass always rests on a horizontal plane and its centre of gravity comes vertically under the cross point of the two diameters along which the compass and the ring turn. The support of the magnetic needle is along the axis of the compass. The needle is fixed to the rose and therefore it is not visible. | |||
