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At first Elaine is enticed by the idea that he arouses such passion, but when another ex-girlfriend throws coffee in his face on their first date, Elaine checks his background and discovers Alan is a "bad breaker-upper." Deeming this an unacceptable flaw, Elaine breaks up with Alan. He retaliates by calling her "big head."
In power systems, protective devices can detect fault conditions and operate circuit breakers and other devices to limit the loss of service due to a failure. In a polyphase system, a fault may affect all phases equally, which is a "symmetric fault". If only some phases are affected, the resulting "asymmetric fault" becomes more complicated to ...
The symptoms of a ground loop, ground noise and hum in electrical equipment, are caused by current flowing in the ground or shield conductor of a cable. Fig. 1 shows a signal cable S linking two electronic components, including the typical line driver and receiver amplifiers (triangles) . [ 5 ]
Circuit-breakers can be placed at portions of a circuit in series to the path of current it will affect. If more current than expected goes through the circuit-breaker, the circuit breaker "opens" the circuit and stops all current. A fuse is a common type of circuit breaker that involves direct effect of Joule-overheating.
Two types of wiring protection are standard thermal breakers and arc fault circuit breakers. Thermal breakers require an overload condition long enough that a heating element in the breaker trips the breaker off. In contrast, arc fault circuit breakers use magnetic or other means to detect increases in current draw much more quickly.
Research shows men are more likely than women to avoid—or delay—necessary medical care, even when their symptoms disrupt their lives or become chronic. An online survey conducted by the ...
In an electric power system, overcurrent or excess current is a situation where a larger than intended electric current exists through a conductor, leading to excessive generation of heat, and the risk of fire or damage to equipment.
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