One Member of a Pair of Parallel Conducting Plates Has

question 53

Multiple Choice

One member of a pair of parallel conducting plates has potential 17 V. An electron is ejected from that plate and travels the other plate, attaining a velocity of 5.0 × 10⁶ m/s in the process. What is the potential of the second plate? The mass of the electron is 9.11 × 10⁻³¹ kg.

• A) 157 V
• B) 88 V
• C) 72 V
• D) −54 V
• E) 142 V

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Definitions:

Excursion

The movement of a structure or part away from its resting position, often used in the context of muscle movement or joint mobility.

Extension

The movement by which the two ends of any jointed part are drawn away from each other, increasing the angle between them.

Adduction

The movement of a limb or other body part toward the midline of the body or toward another body part.

Flexion

The action of bending or the condition of being bent, especially of a joint or muscle.