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Re: Yes, But!!!! [message #46487 is a reply to message #46486]

Fri, 11 March 2005 20:51

Wayne Parham
Messages: 18791
Registered: January 2001

Illuminati (33rd Degree)

Coils increase inductance and resistance in series, decrease in parallel. This assumes there is no magnetic interaction between coils, that they are separated physically and/or out of alignment so their flux in in different axis. If they combine, this change inductance in an additive or subtractive fashion, depending on their magnetc interaction. That's why coils on crossovers are sometimes placed in different orientations, to prevent interactons.

The formula for series inductance is:

LT = L1 + L2 + L3...

Likewise, for series resistance:

RT = R1 + R2 + R3...

Parallel inductance is found by:

LT = 1 / ( 1/L1 + 1/L2 + 1/L3...)

And parallel resistance by:

RT = 1 / ( 1/R1 + 1/R2 + 1/R3...)

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[Message index]

		Do inductor coils combine like other components? By: BillEpstein on Fri, 11 March 2005 04:36
		Yes, But!!!! By: spkrman57 on Fri, 11 March 2005 07:20
		Re: Yes, But!!!! By: Wayne Parham on Fri, 11 March 2005 20:51

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