A circuit is constructed with four resistors, one capacitor, one battery and a switch as shown. The values for the resistors are: R1 = R2 = 21 Q, R3 = 108 N and R4 = 101 O. The capacitance is C = 59 µF and the battery voltage is V = 12 V. The positive terminal of the battery is indicated with a + sign. R2 V R3 R4. 1) The switch has been open for a long time when at time t = 0, the switch is closed. What is l4(0), the magnitude of the current through the resistor R4 just after the switch is closed? A Submit +) 2) What is Q(o0), the charge on the capacitor after the switch has been closed for a very long time? µC Submit 3) After the switch has been closed for a long time, it is then opened. What is Q(topen), the charge on the capacitor at a time topen = 674 µs after the switch was opened? %3D uC Submit +) 4) What is IC.max(closed), the current that flows through the capacitor whose magnitude is maximum during the time when the switch is closed? A positive value for the current is defined to be in the direction of the arrow shown. A Submit +) 5) What is Ic.max(Open), the current that flows through the capacitor whose magnitude is maximum during the time when the switch is open? A positive value for the current is defined to be in the direction of the arrow shown. A Submit
A circuit is constructed with four resistors, one capacitor, one battery and a switch as shown. The values for the resistors are: R1 = R2 = 21 Q, R3 = 108 N and R4 = 101 O. The capacitance is C = 59 µF and the battery voltage is V = 12 V. The positive terminal of the battery is indicated with a + sign. R2 V R3 R4. 1) The switch has been open for a long time when at time t = 0, the switch is closed. What is l4(0), the magnitude of the current through the resistor R4 just after the switch is closed? A Submit +) 2) What is Q(o0), the charge on the capacitor after the switch has been closed for a very long time? µC Submit 3) After the switch has been closed for a long time, it is then opened. What is Q(topen), the charge on the capacitor at a time topen = 674 µs after the switch was opened? %3D uC Submit +) 4) What is IC.max(closed), the current that flows through the capacitor whose magnitude is maximum during the time when the switch is closed? A positive value for the current is defined to be in the direction of the arrow shown. A Submit +) 5) What is Ic.max(Open), the current that flows through the capacitor whose magnitude is maximum during the time when the switch is open? A positive value for the current is defined to be in the direction of the arrow shown. A Submit
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter21: Circuits And Dc Instruments
Section: Chapter Questions
Problem 71PE: Figure 21.55 shows how a bleeder resistor is used to discharge a capacitor after an electronic...
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Question
Transcribed Image Text:A circuit is constructed with four resistors,
one capacitor, one battery and a switch as
shown. The values for the resistors are: R1
R221 Ω , R3 108 Ω and R4-101 Ω. The
capacitance is C = 59 µF and the battery
voltage is V = 12 V. The positive terminal of
the battery is indicated with a + sign.
R2
Ic
R3
1) The switch has been open for a long time when at time t = 0, the switch
is closed. What is l4(0), the magnitude of the current through the resistor
R4 just after the switch is closed?
A Submit
2) What is Q(0), the charge on the capacitor after the switch has been
closed for a very long time?
uC Submit
3) After the switch has been closed for a very long time, it is then opened.
What is Q(topen), the charge on the capacitor at a time topen = 674 µs
after the switch was opened?
µC Submit
4) What is Ic,max(closed), the current that flows through the capacitor
whose magnitude is maximum during the time when the switch is
closed? A positive value for the current is defined to be in the direction of
the arrow shown.
Submit
5) What is IC.max(open), the current that flows through the capacitor
whose magnitude is maximum during the time when the switch is open?
A positive value for the current is defined to be in the direction of the
arrow shown.
A Submit
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