A circuit is constructed with four resistors, one capacitor, one battery and a switch as shown….
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Question “A circuit is constructed with four resistors, one capacitor, one battery and a switch as shown….”
A circuit is constructed with four resistors, one capacitor, one
battery and a switch as shown. The values for the resistors are: R1
= R2 = 60 Ω, R3 = 49 Ω and R4 = 133 Ω. The capacitance is C = 75 μF
and the battery voltage is V = 24 V.
1)
The switch has been open for a long time when at time t = 0, the
switch is closed. What is I1(0), the magnitude of the
current through the resistor R1 just after the switch is
closed?
2) What is I1(∞), the magnitude of the current that
flows through the resistor R1 a very long time after the
switch has been closed?
3)
What is Q(∞), the charge on the capacitor after the switch has
been closed for a very long time?
4)
Consider the circuit above, with R5 = 123 Ω in series
with the capacitor. Once again, the switch has been open for a long
time when at time t = 0, the switch is closed. What is
I1(0), the magnitude of the current through the resistor
R1 just after the switch is closed?
5)
Continuing with the new circuit, what is Q(∞), the charge on the
capacitor after the switch has been closed for a very long
time?
Answer
Conclusion
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