The Charge on the Square Plates of a Parallel-Plate Capacitor

question 28

Multiple Choice

The charge on the square plates of a parallel-plate capacitor is Q.The potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation,which is small compared to the dimensions of the plates.The amount of charge on the plates is now equal to

• A) 4Q.
• B) 2Q.
• C) Q.
• D) Q/2.
• E) Q/4.

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Definitions:

Irritant Receptors

Sensory nerve endings that respond to chemical, mechanical, or thermal stimuli by initiating the reflex actions such as coughing or sneezing.

Expiratory Muscles

Muscles involved in the process of expelling air out of the lungs, such as the internal intercostal muscles and abdominal muscles.

Respiration

The biochemical process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

External Obliques

Muscles located on the sides of the abdomen, aiding in rotation and lateral bending of the torso.