Question: For the circuit in Fig. 7.88, if v = 10e 4t V and i = 0.2e 4t A, t > 0 (a) Find R

For the circuit in Fig. 7.88, if
v = 10e ˆ’4t V and i = 0.2e ˆ’ 4t A, t > 0
(a) Find R and C.
(b) Determine the time constant.
(c) Calculate the initial energy in the capacitor.
(d) -Obtain the time it takes to dissipate 50 percent of the initial energy.

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