A Copper Wire of Length 25

question 14

Multiple Choice

A copper wire of length 25.0 cm is in a magnetic field of 0.36 T.If it has a mass of 11.0 g,what is the minimum current through the wire that would cause a magnetic force equal to its weight?

• A)12 A
• B)0.48 A
• C)1.2 A
• D)3.3 A
• E)0.75 A

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Definitions:

Secondary Emotion

An emotion that develops from primary emotions, involving a more complex mental processing, such as guilt, shame, or pride.

Delight

A high degree of pleasure or enjoyment that surprises or greatly pleases someone.

Misery

A state of great distress, discomfort, or sadness experienced by an individual or group.

Secondary Appraisal

The assessment of one's ability to cope with or manage the consequences of a stressful event after recognizing it as a threat.