Time constant for a RC circuit:
Equivalent resistance for resistors in parallel:
Equivalent capacitance for capacitors in series:
Req = (1/R1 + 1/R2)-1 = (1/5 + 1/5)-1 = 2.5 kΩ(1000Ω/1kΩ) = 2500 Ω
Suppose that R = 5 kΩ and C = 5μF
What is the time constant for the discharge of the capacitors in? Express your answer to two significant figures and include approximate units.
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