A Copper Wire of Length 10 Cm Is in a Magnetic

question 29

Multiple Choice

A copper wire of length 10 cm is in a magnetic field of 0.30 T.If it has a mass of 20 g,what minimum current through the wire would cause a magnetic force equal to its weight?

• A) 4.9 A
• B) 6.5 A
• C) 2.0 A
• D) 1.3 A

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Definitions:

Exchange Relationships

Social connections where the interactions are based on reciprocal benefits and the expectation of receiving something in return for what is given.

Partners' Needs

The essential emotional, physical, and psychological requirements of one's significant other in a relationship, recognizing and addressing which can enhance mutual satisfaction.

Triangular Theory

A theory proposed by Robert Sternberg, outlining the components of love as intimacy, passion, and commitment.

Passion

Intense, driving, or overmastering feeling or conviction towards a person, activity, or cause.