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Neets Module 19-The Technicians Handbook | Next
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1-24
Parallel inductors without coupling:
Provided the coefficient of coupling between inductors is zero.
Resistive/inductive circuit:
The time required for the current in an inductor to increase to 63.2 percent of its final value or
decrease to 36.8 percent is known as the time constant.
Mathematically expressed:
Figure 1-13 shows an L/R time constant chart.
Figure 1-13.—L/R time constant.
You may want to refer back to figure 1-12, which shows the L/R relationship using the universal
time constant chart.
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