The Graph in the Figure Shows the Variation of the Electric

question 49

Multiple Choice

The graph in the figure shows the variation of the electric potential V(x) (in arbitrary units) as a function of the position x (also in arbitrary units) . Which of the choices below correctly describes the orientation of the x-component of the electric field along the x-axis?

• A) E_x is positive from x = -2 to x = 2.
• B) E_x is positive from x = -2 to x = 0, and negative from x = 0 to x = 2.
• C) E_x is negative from x = -2 to x = 0, and positive from x = 0 to x = 2.
• D) E_x is negative from x = -2 to x = 2.

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Definitions:

Merchandise Inventory

Finished goods available for sale to customers in a retail or wholesale business.

Periodic Inventory System

An inventory accounting system where inventory levels are updated and cost of goods sold is calculated at the end of an accounting period.

Perpetual Inventory System

A method of keeping track of inventory in real-time, where inventory levels are updated after every sale or purchase transaction.

FOB Shipping Point

A term used in shipping agreements indicating that the buyer is responsible for the cost of shipping and risk of loss from the shipping point.