What Is the Magnetic Force on a 2

question 43

Multiple Choice

What is the magnetic force on a 2.0-m length of (straight) wire carrying a current of 30 A in a region where a uniform magnetic field has a magnitude of 55 mT and is directed at an angle of 20° away from the wire?

• A) 1.5 N
• B) 1.3 N
• C) 1.1 N
• D) 1.7 N
• E) 3.1 N

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