A Uniform 4

question 21

Multiple Choice

A uniform 4.5-T magnetic field passes through the plane of a wire loop 0.20 m² in area.What flux passes through the loop when the direction of the 4.5-T field is at a 30° angle to the normal of the loop plane?

• A) 0.39 T⋅m²
• B) 5.0 T⋅m²
• C) 0.78 T⋅m²
• D) 0.225 T⋅m²

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Definitions:

Hydrograph

A chart that illustrates the change in discharge rate over time at a particular location in a river, or any other flow-carrying channel or conduit.

Increases

The act or process of becoming larger or greater in size, amount, number, or degree.

Susceptible to Erosion

A condition describing materials or landscapes that are easily worn away or removed by the action of water, wind, ice, or human activities.

Bedrock

Solid rock underlying loose deposits such as soil or alluvium.