An Electromagnetic Wave Propagates Along the +Y Direction as Shown

question 45

Multiple Choice

An electromagnetic wave propagates along the +y direction as shown in the figure.If the electric field at the origin is along the +z direction,what is the direction of the magnetic field?

• A)+z
• B)-z
• C)+y
• D)+x
• E)-x

---

Definitions:

Direct Materials Quantity Variance

A measure of the difference between the actual quantity of materials used in production and the expected quantity, based on standards.

Total Direct Materials Cost Variance

The difference between the actual costs of direct materials used in production and the expected (or standard) costs.

Direct Materials Price

The cost of raw materials and components required for the manufacture of a product.

Direct Materials Quantity Variance

The difference between the actual quantity of materials used in production and the expected quantity, multiplied by the standard cost per unit.