My anSwer: alvin cagampang

1. What is short circuit.? a short circuit occurs when the current passes through a shortedpath in the circuit.
CAuse:>>this shortened path may be due to the crossing or touching of the uncovered portion of the wires. a short circuit decreases the resistance of the circuit.

2.What is a fuse? a fuse is a safety devices that break the circuit whenever "overload" or "short" occurs
What happens when you blow a fuse?Blowing a fuse,when to many electrical devices operating at one time it can cause the fuse to blow becaues it can't hold the electricty passing through the circuit. Fuse have a limit voltage, if the needed electricity in electical devices is short the fuse will force it self to suit the elect. needed.When it blow the passage of electricity shut down and the whole building will out of power..

3. what do circuit breakers work? a circuit breakers work automatically shuts off the power to the circuit. to reconnect, the circuit must be reset.. a circuit breaker can also be used manually to disconnect a circuitfrom incoming power when doing electrical repair..

4.When is there an overload in a circuit?

overload happens when the total current then increases and may be exceed the limit of the wires can safely carry. and too large current transfers too much heat..

7. Why will too many electrical devices operating at one time often blow a fuse?

many electrical devices operating at one time often blow a fuse to avoid the damage of the appliances...

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