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an electrical circuit in a device of lower resistance than that of a normal circuit, especially one resulting from the unintended contact of components and consequent accidental diversion of the current.
A short circuit is a problem in an electrical circuit where two or more wires that are not supposed to come in contact with each other touch. A short circuit can result in a very high current flowing through the circuit. ... A "short circuit" also happens when there is a bypass of electrical current.
If the phase wire comes in contact with a newton or earth wire in a circuit, the fuse of the circuit blows and the current flows in it is lost. This circuit is called short circuit.