Question
Asked Jan 30, 2020
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In the circuit below, R1 = 86 N, R2 = 30 N, R3 = 38 N, C = 36 mF, V1 = 48 V, and V2 = -42 V.
The circuit has been running for a long time before the switch flips to the left at t = 0
Find iz (t) for t> 0
R2
t = 0
V2
V1
R1
ix
R3
2017 Paul Hummel
NC
SA
BY
iz(t) for t> 0 =
A
(+1
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In the circuit below, R1 = 86 N, R2 = 30 N, R3 = 38 N, C = 36 mF, V1 = 48 V, and V2 = -42 V. The circuit has been running for a long time before the switch flips to the left at t = 0 Find iz (t) for t> 0 R2 t = 0 V2 V1 R1 ix R3 2017 Paul Hummel NC SA BY iz(t) for t> 0 = A (+1

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Expert Answer

Step 1

The given circuit diagram and values of element is:

 

Step 2

The modified circuit diagram at t = 0-:

Step 3

The voltage across capacitor and the value of ix at t = 0- is determined as follows:

The value of capacitor voltage is equal to the supply voltage V2 because the circuit has been running for a long time before the switch flips.

 

...

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