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

question 52

Multiple Choice

An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial
And have radii of 13 mm and 85 mm. The electric potential of the inner conductor with respect to the outer conductor is -600 V. (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²) The maximum energy density of the capacitor is closest to

• A) 2.7 × 10^-3 J/m³.
• B) 1.3 × 10^-3 J/m³.
• C) 6.7 × 10^-4 J/m³.
• D) 3.4 × 10^-3 J/m³.
• E) 1.7 × 10^-4 J/m³.

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Definitions:

-Desis

A suffix used in medical terminology to denote surgical fixation or binding, often of bones or joints.

Intramuscular

Administration of medication directly into the muscle tissue for faster absorption into the bloodstream.

Intra-

Intra- is a prefix meaning within or inside.

Hydrotherapy

The use of water for pain relief and treating illnesses, involving various methods like baths and exercises in water.