The Electric Field 1

question 21

Multiple Choice

The electric field 1.5 cm from a very small charged object points toward the object with a magnitude of 180,000 N/C.What is the charge on the object? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A)-4.5 nC
• B)+4.5 nC
• C)-5.0 nC
• D)+5.0 nC

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Definitions:

Geologic Structures

The arrangements and relations of rocks, including folds, faults, and layers, shaped by geological forces.

Cross Section

A diagram or slice that shows the internal structure of something, often used in geological contexts to illustrate the arrangement of rock layers.

Calderas

Large, circular depressions formed when a volcano collapses into a void left after the eruption and evacuation of its magma chamber.

Folds

Folds are bends in rock layers or strata, resulting from compressional forces and pressure, integral to the study of structural geology and mountain building.