Fig. 1. The experimental scheme (left) and the equivalent electric circuit of the coil (right).
Fig. 2. Measured shielding currents in a multi-turn coil (the left axis) at magnetization by amplitudes μ0Ha. From top to down: 0.025 T; 0.095 T; 0.138 T and 0.6 T. A dotted line is an external magnetic field oscillogram with μ0Ha = 0.138 T (the right axis).
Fig. 3. The field relaxation in the multi-turn short-circuited coil after the pulsed field magnetization. External pulse amplitude is μ0Ha = 0.138 T.
Fig. 4. The relaxation of the trapped field at different amplitudes of the magnetizing pulses. From left to right μ0Ha = 0.095; 0.138; 0.23; 0.43 and 0.6 T.
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