Mathematics · Electromagnetic Induction
A conducting circular loop is rotated about its diameter at a constant angular speed of 100 rad/s in a magnetic field of 0.5 T perpendicular to the axis of rotation. When the loop is rotated by 30° from the horizontal position (where flux is maximum), the induced EMF is 15.4 mV. The radius of the loop is closest to _______ mm. (Take π = 227)
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