A Series LR Circuit Includes a 9

question 39

Multiple Choice

A series LR circuit includes a 9.0 V battery, a resistance of 0.20 Ω, and an inductor. When the switch is closed, the circuit exhibits a time constant of 200 ms. What is the inductance of the circuit?

• A) 42 mH
• B) 15 mH
• C) 32 mH
• D) 40 mH
• E) 22 mH

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Definitions:

Species

A species is a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding, forming a reproductive group.

Punctuated Equilibrium

The idea that evolution proceeds with periods of little or no genetic change, followed by very active phases, so that major adaptations or clusters of adaptations appear suddenly in the fossil record. Compare with phyletic gradualism.

Gradualism

A concept in evolutionary biology that suggests changes occur slowly and incrementally over long periods of time.

Fossil Record

The accumulation of documented fossils, revealing information about past life, evolutionary processes, and the history of the earth.