A Thin,circular Disk of Radius 30

question 21

Multiple Choice

A thin,circular disk of radius 30.0 cm is oriented in the yz-plane with its center at the origin.The disk carries a total charge of +3.00 μC distributed uniformly over its surface.Calculate the magnitude of the electric field due to the disk at the point x = 15.0 cm along the x-axis. (ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

• A)9.95 × 10⁵ N/C
• B)4.98 × 10⁵ N/C
• C)3.31 × 10⁵ N/C
• D)2.49 × 10⁵ N/C
• E)1.99 × 10⁵ N/C

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Definitions:

Chernobyl Site

The location in Ukraine of a catastrophic nuclear reactor accident in 1986, resulting in significant release of radioactive particles into the atmosphere.

Chronic Exposure

Prolonged exposure to a substance or environmental condition, typically at low levels, over a long period of time, potentially leading to adverse health effects.

Background Radiation

The natural ionizing radiation present in the environment, originating from cosmic rays and natural radioactive materials.

Radioactive Dump Site

An area designated for the disposal of radioactive waste materials, which poses significant long-term environmental and health risks.