The Electric Field in the Region of Space Shown Is $$\overrightarrow { \mathbf { E } } = ( 8 \tilde { \mathbf { i } } + 2 \hat { \mathbf { j } } )$$

question 57

Multiple Choice

The electric field in the region of space shown is given by $$\overrightarrow { \mathbf { E } } = ( 8 \tilde { \mathbf { i } } + 2 \hat { \mathbf { j } } )$$ N/C where y is in m.What is the magnitude of the electric flux through the top face of the cube shown?

• A)90 N . m²/C
• B)6.0 N . m²/C
• C)54 N.m²/C
• D)12 N .m²/C
• E)126 N. m²/C

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Definitions:

Long Run

A period in economic analysis during which factors of production and costs are fully adjustable, allowing all inputs to production to be varied.

Marginal Revenue

This refers to the additional income earned by selling one more unit of a good or service.

Marginal Cost

The additional cost incurred to produce one more unit of a good or service, highlighting the cost variations when adjusting production levels.

Fixed Costs

Expenses that do not change in proportion to the activity of a business, such as rent, salaries, and loan payments.