Understanding RC Circuit Diagrams - AP Physics 2

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Question

If $R_{1}=10 \Omega$ , $C_{1}=2F$ , and the voltage source is , what is the time constant of this RC circuit?

Answer

The time constant of this RC circuit is only dependent on the value of the resistance and the capacitor, not the voltage source.

$\tau=R\cdot C$

$\tau=20$

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