15. Referring to the DC circuit shown below with the capacitor C been fully charged, the switch S is connected "ON" at t= O so that the crrent I2 starts to flow through the resistor R2. How does the current function I2(t) depend on time? 
(A)
(B)
(C) 
(D)
(E)
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統計: A(0), B(0), C(1), D(0), E(0) #3239295
統計: A(0), B(0), C(1), D(0), E(0) #3239295