Two Long Parallel Wires Carry Unequal Currents in the Same

question 18

Multiple Choice

Two long parallel wires carry unequal currents in the same direction. The ratio of the currents is 3 to 1. The magnitude of the magnetic field at a point in the plane of the wires and 10 cm from each wire is 4.0 μT. What is the larger of the two currents?

• A) 5.3 A
• B) 3.8 A
• C) 4.5 A
• D) 3.0 A
• E) 0.5 A

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Definitions:

Wasted Capacity

The portion of production capacity that goes unused or is not effectively utilized.

Capacity Shortage

A situation where the demand for a product or service exceeds the available supply or production capability.

Peak Periods

Refers to times of highest demand or activity within a business or market sector, often requiring increased resources or capacity.

Off-Peak Periods

Times when demand for a service or product is lower, often leading to reduced prices or rates to encourage usage or purchase during these times.