A Charge of 5

question 77

Multiple Choice

A charge of 5.0 pC is distributed uniformly on a spherical surface (radius = 2.0 cm) , and a second charge of −2.0 pC is distributed uniformly on a concentric spherical surface (radius = 4.0 cm) . Determine the magnitude of the electric field 3.0 cm from the center of the two surfaces.

• A) 30 N/C
• B) 50 N/C
• C) 40 N/C
• D) 20 N/C
• E) 70 N/C

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Definitions:

Marginal Product

The additional output that results from a one-unit increase in the input of a production factor, holding all other inputs constant.

Marginal Revenue Product

the additional revenue generated from using one more unit of a factor of production.

Marginal Revenue Product

The extra income created from using another unit of an element like labor or capital.

Variable Input

Refers to inputs whose quantity can vary in production, affecting the total output.