A Battery Is Used to Charge a Parallel-Plate Capacitor, After

question 53

Multiple Choice

A battery is used to charge a parallel-plate capacitor, after which it is disconnected.Then the plates are pulled apart to twice their original separation.This process will double the:

• A)capacitance
• B)surface charge density on each plate
• C)stored energy
• D)electric field between the two places
• E)charge on each plate

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Definitions:

Cuticle

In plants, a waxy layer covering the epidermis of plants, that protects the plant against water loss and disease-causing organisms. In animals, an outer covering that protects and supports the organism.

Phloem

The vascular tissue in plants that transports sugars and other metabolic products from leaves to other parts of the plant.

Parenchyma

A type of plant tissue comprised of living cells that are often soft and fleshy, involved in photosynthesis, storage, and transport.

Trichomes

Small hair-like appendages on plants that serve various functions including defense against insects and reducing water loss.