A magnetic field directed into the page-changes

Reference no: EM13537637

A magnetic field directed into the page-changes with time according to \(B = (0.05t^{2} + 0.4) T\) , where t is in s. The field has a circular cross-section of radius R = 0.05 m (Fig. 31.28). What are the magnitude and direction of the electric field at point P, when t - 4 s and r1 = 0.04 m?

Reference no: EM13537637

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