Do not open these cameras yourself, unless you have taken the necessary precautions. WARNING: Opening a camera can possibly be hazardous, because high voltages up to 300 volts may still be present on the circuit board. This causes the gas in the bulb to conduct the large voltage over the capacitor in a fraction of a second and generate the flash light. Via a mechanism a voltage is created at the flash fire wire, that is shown in figure 3. The energy is then saved in the capacitor until the photographer presses a button. This can be compared with the inertia of the mass of a hammer that is used to pound a nail into a surface. The inertia of an inductor can be used to force the energy into a capacitor. The inductor can be compared with its mechanical equivalent, mass. It builds up the voltage by repetitively charging the inductor and transfering its energy into a conductor as shown in figure 4, 5 and 6. This circuit provides the high voltage that is used to activate the flash bulb when making a fotograph. Used as a demo of a LC circuit that generatesįigure 2: The electric circuit used in this cameraĪ single-use disposable camera can be used as a demo of a LC circuit. Figure 1: This single-use disposable camera can be
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March 2023
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