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Whilt is short drcuiting ? State one factor/condition that can lead to it. Name a device in the household that acts as a safety measure for it. State the principle of its working. |
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Answer» Solution :Situation in which live and neutral wire come in direct CONTACT, abruptly increasing the current in the circuit is called short-circuiting. FACTOR : Insulation fo wire is damaged / fault in appliance. Safety device : electric fuse. Electric fuse is an application of Joule.s heating. If there is a current larger than the specified value the temperature of fuse wire INCREASES and it melts to break the electric circuit and stop the FLOW of unduly high electric current. |
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