What is tanϕ for RC circuit?
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The quantity t1/2=t ln 2 is called the half-life of an exponential decay, where t=RC is the time constant in an RC circuit. The current in a discharging RC circuit drops by half whenever t increases by t1/2. For a circuit with R=1 kO and C=4
What is the time constant of the circuit shown in Figure OQ28.7? each of the five resistors has a resistance R and each of the five capacitors has a capacitance C. The internal resistance of the battery is negligible.
(a) RC
(b) 5 RC
(c) 10 RC
(d)25 RC
(e) none of those answers