In the Circuit Shown, Both Resistors Have the Same Value $\tau$

question 57

Multiple Choice

In the circuit shown, both resistors have the same value R. Suppose switch S is initially closed. When it is then opened, the circuit has a time constant $\tau$ _a Conversely, suppose S is initially open. When it is then closed, the circuit has a time constant $\tau$ _b The ratio $\tau$ _a/ $\tau$ _b is:

• A) 1
• B) 2
• C) 0.5
• D) 0.667
• E) 1.5

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Definitions:

Controlled Variable

A factor in an experiment which is kept constant to test the relative impact of an independent variable.

Placebo Effect

The phenomenon in which a person's symptoms can improve due to their belief in the efficacy of a treatment with no therapeutic value.

Debriefing

A process of questioning and informing participants about the purpose and methods of a study after their participation is complete.

Cognitive Flexibility

The mental ability to switch between thinking about different concepts or to think about multiple concepts simultaneously, important for problem-solving and adapting to new situations.