A Rod (Length = 80 Cm) with a Rectangular Cross $\Omega$

question 10

Multiple Choice

A rod (length = 80 cm) with a rectangular cross section (1.5 mm * 2.0 mm) has a resistance of 0.20 $\Omega$ .What is the resistivity of the material used to make the rod?

• A)6.0 * 10-7 \(\Omega\) . m
• B)3.8 * 10-7 \(\Omega\) . m
• C)7.5 * 10-\(\Omega\) . m
• D)3.0 * 10-7 \(\Omega\) . m
• E)4.8 * 10-7 \(\Omega\) . m

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Definitions:

Price

The monetary value assigned to a product or service, determined by various factors including supply and demand, cost of production, and market competition.

Economic Profit

The disparity between total monetary gains and overall financial outlay, accounting for both clear and obscure costs.

Monopoly Model

A market structure where a single firm dominates the market, with no close substitutes for its product.

Equilibrium

A market scenario where the balance between supply and demand stabilizes prices.