An Uncharged 5 $\varOmega$ B)60 $\varOmega$ C)80 × 10⁵ $\varOmega$ D)80 × 10⁷ $\varOmega$

question 24

Multiple Choice

An uncharged 5.0-µF capacitor and a resistor are connected in series to a 12-V battery and an open switch to form a simple RC circuit. The switch is closed at t = 0 s. The time constant of the circuit is 4.0 s.
-Determine the value of the resistance R.

• A)15\(\varOmega\)
• B)60 \(\varOmega\)
• C)8.0 × 10⁵ \(\varOmega\)
• D)8.0 × 10⁷ \(\varOmega\)
• E)8.0 × 10⁸ \(\varOmega\)

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