30. Induction and Inductance

LR Circuits

30. Induction and Inductance

LR Circuits

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07:50

Unknown Resistance in an LR Circuit

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05:54

Anderson Video - LR Circuits

RL Circuit Analysis (1 of 8) Voltage and Current

RL Circuits - Inductors & Resistors

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Practice this topic

Multiple Choice

Consider the LR circuit shown below. Initially, both switches are open. Switch 1 is closed. a) What is the maximum current in the circuit after a long time? Then, S₁ is opened and S₂ is closed. b) What is the current in the circuit after 0.05s?

An LR circuit with L = 0.1 H and R = 10 Ω are connected to a battery with the circuit initially broken. When the circuit is closed, how much time passes until the current reaches half of its maximum value?

A 50 cm solenoid with 1000 turns has an inductance of 20 mH. b. Flipping a switch disconnects the inductor from the battery and connects it to a resistor. What is the value of the resistance if the magnetic field decreases by 50% in 150 μs?

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