with the help of the diagram explain the working of electric torch
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casing : casing is used to provide covering for the basing components and the torch for protection safe handling
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Explanation:A torch is a portable electric lamp which uses two or more cells to light a small bulb. A torch is used to provide light in the dark when it is switched on.
A torch consists of a simple electric circuit in which two or more cells are connected to a torch bulb through a sliding switch. When the torch is needed to provide light, the sliding switch is closed by pushing it forward so that the circuit is completed and the bulb of the torch lights up.
When the torch is not needed, the sliding switch is opened by pushing it backwards so that the circuit breaks and the bulb are turned off.
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