When a 200-Ohm Resistor Is Connected Across the Terminals of a 12

question 52

Multiple Choice

When a 20.0-ohm resistor is connected across the terminals of a 12.0-V battery,the voltage across the terminals of the battery falls by 0.300 V.What is the internal resistance of this battery?

• A) 3.60 Ω
• B) 1.56 Ω
• C) 0.98 Ω
• D) 0.30 Ω
• E) 0.51 Ω

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Definitions:

Phytochrome

A blue-green, proteinaceous pigment involved in a wide variety of physiological responses to light; occurs in two interconvertible forms, Pr (red-absorbing phytochrome) and Pfr (far-red-absorbing phytochrome).

Bolting

The production of a tall flower stalk by a plant that grows vegetatively as a rosette (growth habit with a short stem and a circular cluster of leaves).

Gibberellins

A group of plant hormones that regulate growth and influence various developmental processes, including stem elongation, germination, and flowering.

Floral Stalk

The stem or support of a flower, facilitating its connection to the rest of the plant.