What Is the Magnitude of the Magnetic Field at Point

question 29

Multiple Choice

What is the magnitude of the magnetic field at point P in the figure if a = 2.0 cm,b = 4.5 cm,and I = 5.0 A?

• A)87 μT,into the paper
• B)87 μT,out of the paper
• C)0.23 mT,out of the paper
• D)0.23 mT,into the paper
• E)23 μT,into the paper