When a Microwave Filter Consisting of Vertical Parallel Metal Rods

question 66

Multiple Choice

When a microwave filter consisting of vertical parallel metal rods is in the absorbing position, oscillating currents are set up in the rods. At any one instant, the current in each rod has the same magnitude and direction. At that instant

• A) the rods will try to move apart horizontally.
• B) the rods will try to move together horizontally.
• C) the rods will try to shift vertically upwards.
• D) the rods will try to shift vertically downwards.
• E) the rods will not be affected because the source of current is not a battery.

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Definitions:

Variable Costs

Expenses that fluctuate in unison with the amount of production or the quantity of goods produced.

Sales Volume Variance

A measure used in variance analysis to assess the difference between the actual units sold and the budgeted sales volume, impacting revenue.

Actual Sales Volume

The real number of units sold or services provided by a business during a specific period, as opposed to forecasted or planned sales volumes.

Budgeted Contribution Margin

The anticipated difference between sales revenue and variable costs in a budget period.