What Is the Magnitude of the Electric Field $2.8 \mathrm {~cm}$

question 34

Multiple Choice

What is the magnitude of the electric field $2.8 \mathrm {~cm}$ from a tiny object that carries an excess charge of $- 16 \mathrm { nC } ? \left( k = 1 / 4 \pi \varepsilon _ { 0 } = 9.0 \times 10 ^ { 9 } \mathrm {~N} \cdot \mathrm { m } ^ { 2 } / \mathrm { C } ^ { 2 } \right)$

• A) \(5100 \mathrm {~N} / \mathrm { C }\)
• B) \(180,000 \mathrm {~N} / \mathrm { C }\)
• C) \(1.8 \times 10 ^ { 14 } \mathrm {~N} / \mathrm { C }\)
• D) \(- 5100 \mathrm {~N} / \mathrm { C }\)
• E) \(- 180,000 \mathrm {~N} / \mathrm { C }\)

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Definitions:

Equilibrium Real Interest Rate

The interest rate at which the demand for investment equals the supply of savings in an economy, without any inflation being considered.

Domestic Investment

Expenditure on capital within a country that is intended to improve the economy's future production capacity, such as factories, machinery, and infrastructure development.

Net Capital Outflow

The difference between the domestic country's purchase of foreign assets and foreign investments in domestic assets over a certain period.

Real Exchange Rate

The rate at which the goods and services of one country can be exchanged for the goods and services of another country, adjusted for price level differences.