The coil in an electromagnet has an inductance of 1.7 mH and carries a constant direct current of 5.6 A. A switch is suddenly opened, allowing the current to drops to zero over a small interval of time, ∆t. If the magnitude of the e.m.f. induced during this time is 7.3 V, what is ∆t ?
The coil in an electromagnet has an inductance of 1.7 mH and carries a constant direct current of 5.6 A. A switch is suddenly opened, allowing the current to drops to zero over a small interval of time, ∆t. If the magnitude of the e.m.f. induced during this time is 7.3 V, what is ∆t ?
Chapter14: Inductance
Section: Chapter Questions
Problem 50P: A coil with a self-inductance of 3.0 H and a resistance of 100 2 carries a steady current of 2.0 A....
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The coil in an electromagnet has an inductance of 1.7 mH and carries a
constant direct current of 5.6 A. A switch is suddenly opened, allowing the
current to drops to zero over a small interval of time, ∆t. If the magnitude
of the e.m.f. induced during this time is 7.3 V, what is ∆t ?
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