An RC Circuit with Resistance R​₀ and Capacitance C​₀ Has

question 21

Multiple Choice

An RC circuit with resistance R​₀ and capacitance C​₀ has a time constant τ​₀.Which of the following additions to the circuit would result in the time constant doubling?

• A)a capacitor with capacitance 3C​₀ in series with the original C​₀
• B)a capacitor with capacitance C​₀ in series with the original C​₀
• C)a capacitor with capacitance 3C​₀ in parallel with the original C​₀
• D)a capacitor with capacitance C​₀ in parallel with the original C​₀