Apentix/AP Physics 2/Unit 4: Electric Circuits/Question
AP Physics 2hardmcq1 pt

In an RC circuit, the time constant τ represents:

A.The time for the charge to reach 63% of its maximum value
B.The time for the capacitor to fully charge
C.The time for the current to double
D.The time for the voltage to reach zero

Explanation

Core Concept

The time constant τ = RC is the time it takes for the charge/voltage to reach approximately 63.2% (1 - 1/e) of its final value during charging.

Correct Answer

AThe time for the charge to reach 63% of its maximum value

Practice more AP Physics 2 questions with AI-powered explanations

Practice Unit 4: Electric Circuits Questions →
    In an RC circuit, the time constant τ represents: | AP Physics 2 | Apentix