Question

State the consequences that can lead to a short circuit?

Answer 1

What Is a Short Circuit?

A short circuit occurs when part of a wire carrying current touches another wire or part of the circuit and gives the electricity a path of less resistance. For example, if a wire with faulty insulation becomes exposed and touches a metal light switch, current can flow along the light switch and result in a shock.


Causes

Shorts can stem from a variety of problems. Here’s a look at the most common short-circuit culprits in your home:

Faulty Insulation: Old or damaged insulation allows neutral and live wires to touch, which can cause a short circuit. Nail and screw punctures as well as age can cause wire casings or insulation to deteriorate and allow short circuits.Loose Connections: Attachments can loosen, sometimes allowing neutral and live wires to touch. Fixing faulty wire connections is difficult and sometimes requires working with live wires.Household Pests: Animals like mice, rats and squirrels sometime chew on wires. This can cause neutral and live wires to cross and result in a short.Appliances: Old or broken appliances can develop shorts over time. Short circuits in appliances can occur in the plugs, in the power cords or inside the device. It’s best to have a technician look at shorts in larger appliances like ovens and dishwashers.



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Answer 2

if due to defective or damaged wiring the live and neutral wires come in direct contact, the resistance of the circuit becomes almost zero and an extremely large current flows through the circuit this is called short circuiting