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Inductive Hearing Loop

An inductive hearing loop coil is a way of transmitting sound through a wire loop to the receiver coil. The loop coil itself consists of thousands of single core insulated wires. As the alternating current from the audio source (and amplifier) flows through the loop, it creates a magnetic field within the looped area and "induces" the receiving coil in a wireless micro earpiece within the looped area.

The magnetic field within the looped area is strong enough to allow freedom of movement within the looped area. The working principle of inductive loop coil is when an alternating current is passed through a wire, a magnetic field is generated around the wire. If a second wire is brought within this magnetic field, a corresponding alternatiing current is created within the second wire. That is a current is induced in the second wire.

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