An RC series circuit has a time constant of 40.oms. When the switch is closed to charge the 50.0 µF capacitor, the initial current is 65.0 mA. What is the potential difference across the capacitor at a time 20.0 ms after closing the switch? Select one O a 12.9 b. 25.0 V O c14.5 V O d 11.5 V e 20.5 V

An RC series circuit has a time constant of 40.oms. When the switch is closed to charge the 50.0 µF capacitor, the initial current is 65.0 mA. What is the potential difference across the capacitor at a time 20.0 ms after closing the switch? Select one O a 12.9 b. 25.0 V O c14.5 V O d 11.5 V e 20.5 V

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter29: Direct Current (dc) Circuits

Section: Chapter Questions

Problem 60PQ: Figure P29.60 shows a simple RC circuit with a 2.50-F capacitor, a 3.50-M resistor, a 9.00-V emf,...

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Question

An RC series circuit has a time constant of 40.0ms. When the switch is closed to
charge the 50.0 µF capacitor, the initial current is 65.0 mA. What is the potential
difference across the capacitor at a time 20.0 ms after closing the switch?
Select one
O a 12.9
b. 25.0 V
O c 14.5 V
O d 11.5 V
e 20.5 V

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