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Total emf in the circuit

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Reference no: EM131162307

A 279-V battery, an inductor, and a resistor are connected in series as shown in the diagram below. A two-way switch makes it possible to include or exclude the battery. The switch that had been in position 1 for a long time is suddenly moved to position 2. (Enter your answers to at least two decimal places.)

(a) What is the voltage across the resistor at the end of five time constants? (Assume the potential difference across the resistor is positive.) 

What is the exponential function that describes the behavior of the current in a simple RL circuit when the switch is moved to position 2 to exclude the battery? How is this current related to the voltage across the resistor? V 

(b) At this time, what is the voltage across the inductor? 

What is the total emf in the circuit when the switch is in position 2? V

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Reference no: EM131162307

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