A Spherical Shell of Radius 9 $\sigma$ = 90 NC/m²

question 57

Multiple Choice

A spherical shell of radius 9.0 cm carries a uniform surface charge density $\sigma$ = 9.0 nC/m².The electric field at r = 8.9 cm is approximately

• A)1.0 kN/C
• B)0.13 kN/C
• C)0.32 kN/C
• D)zero
• E)0.65 kN/C

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Definitions:

Hall-effect

A phenomenon in which a voltage difference is created across an electrical conductor, transverse to an electric current in the conductor and a magnetic field perpendicular to the current.

Electrical Principle

Fundamental concepts and laws that govern the behavior of electrical systems, including Ohm's law, Kirchhoff's law, and the principles of electromagnetism.

Gear Shift Selector

A mechanism in vehicles that allows the driver to change gears manually or automatically, controlling the transmission.

Fault Codes

Diagnostic codes that indicate specific issues or malfunctions within a vehicle's systems or electronics.