An RC circuit takes t = 1.58 s to charge to 45% when a voltage of ΔV = 5.5 V is applied. What is this circuit's time constant τ, in seconds?

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A: ANSWER : ( a ) ​​ ANSWER : ( b ) ​​  Whent=0.5τ​  Whent=2τ​  Whent=4τ​

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