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Examples Inductors in Circuits

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Example 1:

Inductors of 10mH, 22mH and 60mH are connected in series.

Determine the effective inductance of the circuit.

In the series circuit,

L = L1 + L2 + L3

thus

L = 10mH + 22mH + 60mH = 92mH

Example 2:

Inductors of 60mH and 100mH are connected in parallel.

Determine the effective inductance of the circuit.

Using "product over sum" gives,

L = (L1 x L2) / (L1 + L2)

thus L = (60 x 100) / (60 + 100) mH

therefore L = 6,000 / 160 = 37.5 mH

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Page last modified on July 21, 2011, at 09:31 AM