A series LR circuit contains an emf source of 19 V having no internal resistance, a resistor, a 29 H inductor having no appreciable resistance, and a switch. If the emf across the inductor is 80% of its maximum value 3.0 s after the switch is closed, what is the resistance of the resistor?
A series LR circuit contains an emf source of 19 V having no internal resistance, a resistor, a 29 H inductor having no appreciable resistance, and a switch. If the emf across the inductor is 80% of its maximum value 3.0 s after the switch is closed, what is the resistance of the resistor?
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![A series LR circuit contains an emf source of 19 V having no internal resistance, a resistor, a 29 H inductor having no appreciable resistance, and a switch. If the emf across the inductor is 80% of its
maximum value 3.0 s after the switch is closed, what is the resistance of the resistor?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6b4cfa66-3ca1-4a52-ab67-883b628d80d6%2F2eb94dc7-b4e8-4841-acdc-ac4206e34c52%2Fr71bgl4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A series LR circuit contains an emf source of 19 V having no internal resistance, a resistor, a 29 H inductor having no appreciable resistance, and a switch. If the emf across the inductor is 80% of its
maximum value 3.0 s after the switch is closed, what is the resistance of the resistor?
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