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Energy in Capacitors: an Ideal Parallel-Plate Capacitor Consists of a Set

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Energy in capacitors: An ideal parallel-plate capacitor consists of a set of two parallel plates of area A separated by a very small distance d. When this capacitor is connected to a battery that maintains a constant potential difference between the plates, the energy stored in the capacitor is U0. If the separation between the plates is doubled, how much energy is stored in the capacitor?


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Actuary

A professional who analyzes financial risk using mathematics, statistics, and financial theory, mostly in the insurance and pension plan industries.

Expected Return

The anticipated amount of profit or loss an investment generates over a given period of time.

Defined Benefit Plan

A type of pension plan where the employer guarantees a specified pension payment upon retirement, based on the employee's earnings history, tenure of service, and age, rather than directly depending on individual investment returns.

Noncontributory Plan

A type of pension plan or benefit program where the employer fully funds the benefits without required contributions from the employees.

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