A Light Bulb Operating at a Dc Voltage of 120

question 463

Multiple Choice

A light bulb operating at a dc voltage of 120 V has a resistance of 200 Ω. How much power is dissipated in this bulb?

• A) 7.2 W
• B) 60 W
• C) 14 mW
• D) 72 W
• E) 100 W

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Definitions:

Ecdysozoans

A major group of invertebrate animals including arthropods and nematodes, defined by their shared trait of molting an exoskeleton (ecdysis).

Unique Adaptation

A distinctive or specialized feature, structure, or behavior developed by an organism to improve its chances of survival and reproduction in its environment.

Insects

A class of arthropods, characterized by a three-part body (head, thorax, abdomen), three pairs of legs, compound eyes, and two antennae.

Arthropod

An invertebrate that belongs to phylum Arthropoda; characterized by a hard exoskeleton; a segmented body; and paired, jointed appendages.