A Wire Contains a Steady Current of 2 A

question 21

Multiple Choice

A wire contains a steady current of 2 A.The number of electrons that pass a cross section in 2 s is:

• A)2
• B)4
• C)6.3 *10¹⁸
• D)1.3 * 10¹⁹
• E)2.5 *10¹⁹

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Definitions:

Direct Materials Price Variance

A measurement of the difference between the actual cost of direct materials and the standard cost expected to be paid, expressed in monetary terms.

Direct Materials Quantity Variance

A measure of the difference between the actual quantity of materials used in production and the standard amount expected, valued at the standard cost.

Variable Overhead

Costs incurred during production that fluctuate with production volume, such as utilities or materials.

Total Variable Overhead Variance

The difference between actual variable overhead costs and the expected (standard) costs for the same period.