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Definition of "Basic 9-1-1 System" |
Nine-one-one is the number most people in the U.S. and some in International countries call to get help in a police, fire or medical emergency. In some places, you may be able to be connected with Poison Control by calling 9-1-1, but you should check with local officials in your area to make sure. A 9-1-1 call goes over dedicated networks to the appropriate 9-1-1 answering point for the caller's location, and trained personnel then send the emergency help needed. / A ferrite bead is a passive electric component that suppresses high frequency noise in electronic circuits. It is a specific type of electronic choke. Ferrite beads employ the dissipation of high frequency currents in a ferrite ceramic to build high frequency noise suppression devices. Ferrite beads may also be called blocks, cores, rings, EMI filters, or chokes. |
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