An Air-Filled Capacitor Is Formed from Two Long Conducting Cylindrical

question 7

Multiple Choice

An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 48 mm and 84 mm.The electric potential of the inner conductor with respect to the outer conductor is -400 V.(k = 1/4πε₀ = 8.99 × 10⁹ N • m²/C²) The energy stored in a 1.0-m length of this capacitor is closest to

• A) 8.0 μJ.
• B) 5.7 μJ.
• C) 11 μJ.
• D) 16 μJ.
• E) 22 μJ.

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Definitions:

Pressure

The force exerted per unit area by gas particles or a liquid on the walls of its container or on any surface it encounters.

Temperature Shift

A change in temperature, which can affect the rate, equilibrium, and outcomes of chemical reactions.

Pressure Increases

A condition where the force applied by a fluid per unit area within a physical system grows, influencing the system's behavior.

Volume Decreases

The reduction in the amount of space that a substance or object occupies.