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8 October, 01:52

A capacitor in an RC circuit with R = 2 Ω and C = 4 F is being charged. The time required for the capacitor voltage to reach 63.2 percent of its steady-state value is: Group of answer choices 2 s 4 s 8 s 16 s

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  1. 8 October, 02:12
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    Given Information:

    Resistance = R = 2 Ω

    Capacitance = C = 4 F

    Required Information:

    Time constant = τ = ?

    Answer:

    τ = 8 seconds

    Explanation:

    one time constant τ is the amount of time taken when the capacitor chargers up to approximately 63 % of its maximum possible voltage.

    τ = RC

    τ = 2*4

    τ = 8 seconds

    So that means after 1 τ (8 seconds) the capacitor voltage will reach approximately 63.2 % of its maximum possible voltage.
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