Calculate the Work Done to Bring a Charge, Q = $\sigma$

question 85

Multiple Choice

Calculate the work done to bring a charge, Q = 1 mC, from infinity and place it at a distance R = 10 cm along the axis of a thin uniformly charged ring with linear charge density $\sigma$ = 10 $\mu$ C/m and radius R.

• A) 564 J
• B) 282 J
• C) 127 J
• D) 399 J
• E) zero

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Gini Coefficient

A number that summarizes a country’s level of income inequality based on how unequally income is distributed across quintiles.

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The unequal distribution of household or individual income across the various participants in an economy.