Three Equal Negative Point Charges Are Placed at Three of the Corners

question 23

Multiple Choice

Three equal negative point charges are placed at three of the corners of a square of side d as shown in the figure.Which of the arrows represents the direction of the net electric field at the center of the square?

• A) A
• B) B
• C) C
• D) D
• E) The field is equal to zero at point P.

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The entire quantity of output or goods produced by a firm, given its current inputs.

Marginal Product

Represents the increase in output attributable to the employment of an additional unit of a resource, with other resources held constant.

Total Product

The total quantity of output that a firm produces, usually within a given period.

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Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance premiums.