After a Switch Is Thrown to Remove the Battery from a DC

question 11

Multiple Choice

After a switch is thrown to remove the battery from a DC LR circuit, but the circuit is still left complete, the time constant represents

• A) the time rate of change of the current in the circuit.
• B) the time rate of change of the induced emf in the circuit.
• C) the magnitude of the ratio of the current to the time rate of change of the current.
• D) all of the above.
• E) only (a) and (b) above.

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Definitions:

Decreasing Rate

A situation where the rate at which a process occurs slows down over time.

Post Hoc

Short for the logical fallacy "post hoc ergo propter hoc," meaning "after this, therefore because of this," it implies a mistaken belief that because one thing follows another, it was caused by the other.

Ergo Propter Hoc

A logical fallacy meaning "therefore because of this," implying a cause-and-effect relationship where none exists based solely on sequence of events.

Slope

The measure of the steepness or incline of a line, often calculated as the ratio of the vertical change to the horizontal change between two points on the line.