Explanation:
It is given that, the field near a typical pulsed-field machine rises from 0 T to 2.5 T in 200 μs
Change in magnetic field, 
Change in time, 
Diameter, d = 2.3 cm
Radius, r = 0.0115 m
Emf is induced in the ring as the field changes. It is given by :




E = 5.19 volts
So, the emf induced in the ring is 5.19 volts. Hence, this is the required solution.
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<span>Mass is inversely proportional to energy. The larger the mass, the smaller will be the energy.</span>