One Member of a Pair of Parallel Conducting Plates Has $\times$

question 63

Multiple Choice

One member of a pair of parallel conducting plates has potential 17 V. An electron is ejected from that plate at potential and travels the other plate,attaining a velocity of 5.0 $\times$ 10⁶ m/s when it arrives.What is the potential of the second plate? The mass of the electron is 9.11 $\times$ 10^-31 kg.

• A) 157 V
• B) 89 V
• C) 72 V
• D) -54 V
• E) 142 V

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Definitions:

Standard Machine-Hours

The predetermined amount of time that machines are expected to operate to produce a set quantity of goods.

Variable Overhead Rate

Variable overhead rate is the ratio of variable overhead costs incurred for every unit of activity or a specific measure of activity, such as labor hours.

Direct Labor-Hours

The total hours worked by employees directly involved in the manufacturing process or production of goods and services.

Variable Overhead Rate

A rate that changes with the level of activity or production volume, applied to variable overhead costs.