Consider Figure 5-7 of the lab manual. Initially, the switch is in the \" 2 \" p

Question

Consider Figure 5-7 of the lab manual.  Initially, the switch is in the "2" position and has been there for a very long time ("very long time" meaning many, many time constants).  The switch is moved to the "1" position and the voltage across the capacitor reaches "1 - 1/e" (about 63%) of the nominal 6 V after 8.26 ms.

           b) What is C?

Consider Figure 5-7 of the lab manual. Initially, the switch is in the "2" position and has been there for a very long time ("very long time" meaning many, many time constants). The switch is moved to the "1" position and the voltage across the capacitor reaches "1 - 1/e" (about 63%) of the nominal 6 V after 8.26 ms. What is the voltage across the capacitor 17.18 ms after the switch is moved to the "1" position? You remove the "100 Ohm " resistor from the circuit and find that it has a resistance of 100.7 Ohm What is C?

Explanation / Answer

a)a)let the final voltage be c.so,

ln(1-6/c)=-17.18/8.26

or c=5.25 V

b)8.26*10^-3=100.7*C

or C=8.2*10^-5 F

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