The Magnitude of the Electric Field at a Point P

question 12

Multiple Choice

The magnitude of the electric field at a point P for a certain electromagnetic wave is 570 N/C. What is the magnitude of the magnetic field for that wave at P? (c = 3.0 x 10⁸ m/s)

• A) 2.91 µT
• B) 1.90 µT
• C) 1.10 µT
• D) 1.41 µT
• E) 2.41 µT