Question

How is short circuit is caused ?

Answer 1

Explanation:

A short circuit is when there is a low resistance connection between two conductors that are supplying electrical power to a circuit. This would generate an excess of voltage streaming and cause excessive flow of current in the power source. The electricity will flow through a 'short' route and cause a short circuit.

OR

short circuit occurs when the positive and negative terminals of a battery are connected with a low-resistance conductor, like a wire. ... Overloaded wires will also overheat causing damage to the wire's insulation, or starting a fire.

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