Question

Consider a changing magnetic field (from B′ to B) within a circle of radius 4 m. The magnetic field points into the page ⊗ and its magnitude is increasing.

The field is defined by B = b t , where b = 0.5 T/s:

A: Find the direction of the induced emf Eind.

1. into the page, 2. out of the page, 3. counter-clockwise, 4. clockwise

B: Find the magnitude of the induced electric field Eind on the perimeter of the circular magnetic field.

Answer in units of V/m.

Answer 1

fuitd the page and into maj neti magnituds as maguatie indured icY easing its fuls Using out must be page Right hand uli nduud Must be Lound erclocksIse 3. B6t- 0-St ATea, A= T42 = 16 T1 14 = A dB 16ITY dt clt 8 11 electri ficld Now mdued E= le 21 2TYY vIM A)RS