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Two capacitors in the circuit shown is C1= 7.5 µF and C 2=12.5 µF connected to
two resistors is R1 = 5 kn and R2 = 7 kn and the battery emf is AV= 350 V
(a) Calculate the time constant,
(b) Calculate the maximum charge the Qmax capacitor could acquire,
(c) Find time, it takes for the capacitance charge Q(t) to reach 68 % of the
maximum charge Qmax-
(d) Plot the current I when the charge Q(t) respect to time (t)
R1
C C,
HHI
R2
AV
S

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