A 5.0 μF capacitor is charged through a 2.0 MΩ resistor. What is the time constant of the circuit?
Correct answer A. 10 s
Explanation
τ = RC = 2.0 × 10⁶ Ω × 5.0 × 10⁻⁶ F = 10 s. Dividing R by C or ignoring the prefixes gives the other values.
Answer checked How we write and check questions
Discussion