1.

What is short circuiting ? 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.

Answer»

The situation in which live and neutral wire come in direct contact, abruptly increasing the current in the circuit is called short- circuiting.

Factor- Insulation of wire is damaged/fault in the appliance.

Safety device- an electric fuse. An electric fuse is an application of Joule's heating, If there is a current larger than the specified, value to, break the electric circuit and stop the flow of unduly high electric current.



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