A Flat Circular Wire Loop of Area 0 $\vec { B }$

question 128

Multiple Choice

A flat circular wire loop of area 0.25 m² carries a current of 5.0 A.This coil lies on a horizontal table with the current flowing in the counterclockwise direction when viewed from above.At this point,Earth's $\vec { B }$ field is 1.2 × 10^-5 T directed 60° below the horizontal.What is the magnitude of the torque that Earth's magnetic field exerts on this loop?

• A)2.5 × 10^-6 N ∙ m
• B)5.0 × 10^-6 N ∙ m
• C)7.5 × 10^-6 N ∙ m
• D)1.0 × 10^-5 N ∙ m

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Definitions:

Equilibrium Exchange Rate

The exchange rate at which the supply of a currency equals its demand in the foreign exchange market, leading to a stable market condition without the need for intervention.

Internationally Traded Goods

Products and services that are sold and bought across national borders, subject to international trade regulations and agreements.

Purchasing Power Parity

An economic theory that compares different countries' currencies through a "basket of goods" approach to determine their relative value.

Exchange Rate

The exchange value of one currency against another.