Recently installed some speakers and noticed they had inductors on them.
In: Engineering
Compare to resistors:
– Resistors take energy out of a circuit in the form of heat. Inductors don’t resist (unchanging) current at all and don’t take energy out of the circuit.
– it takes a voltage to cause a change in current in an inductor. The inductor ‘resists’ changes in current but not the current itself.
– In an AC circuit inductors cause the varying voltage and varying current to be ‘out of phase’. This means their sine waves are shifted in time relative to each other.
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