Consider Two Charged Spheres,one with Charge +2 C and the Other

question 33

Multiple Choice

Consider two charged spheres,one with charge +2 C and the other with −2 C.A proton (a positively charged particle) is at the point halfway between the spheres.What is not zero?

• A)the potential energy of the proton
• B)the work to move the proton from infinity to that point
• C)the force on the proton
• D)all of the three above are zero

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Definitions:

Potassium Gates

Channels in the cell membrane that allow potassium ions to move in and out, influencing cellular activity and electrical charge.

Sodium Gates

Protein channels in cell membranes that open or close in response to signals, allowing sodium ions to pass into or out of the cell.

Membrane Potential

The voltage difference across a cell's membrane, crucial for the transmission of nerve impulses and muscle contractions.

Intracellular

Occurring within or inside a cell, affecting the cell's internal environment or processes.