Consider an lr circuit as shown in the figure the ideal, Ask an Expert

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Consider an LR circuit as shown in the figure. The ideal battery provides an EMF of 11.00 V . The inductor has inductance L = 5.70 H , and the resistor has resistance R = 5.70 Ω. The switch is initially open as shown. At time t=0, the switch is closed.

781_An LR circuit as shown.png

Part A

At what rate is energy being delivered by the battery at time t = 1.050 s?

Part B

How much energy has been delivered by the battery during the first 2.100 s after the switch has been closed? Hint: you will need to integrate the power of the battery over the requested time period.

Part C

At what rate is energy being stored in the magnetic field of the inductor at time t = 1.050 s?

Part D

How much energy has been stored in the magnetic field of the inductor during the first 2.100 s after the switch has been closed?

Part E

At what rate is thermal energy being produced in the resistor at time t = 1.050 s?

Part F

How much thermal energy has been dissipated in the resistor during the first 2.100 s after the switch has been closed?

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