when the current in the primary coil of 1000 turns increases linearly from 1 A to 6A in 200 ms, an em.f. of 15V is induced into the secondary coil of 480 turns, which is left open circuited. Determine (a) the mutual inductance of the two coils, (b) the reluctance of the former and (c) the self inductance of the primary coil. 1000 m Figure 11.12 N480

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In the device shown in Figure 11.12. when the current in the primary coil of 1000 turns increases linearly from 1 A to 6A in 200 ms, an em.f. of 15V is induced into the secondary coil of 480 turns, which is left open circuited. Determine (a) the mutual inductance of the two coils, (b) the reluctance of the former and (c) the self inductance of the primary coil. 1000 m Figure 11.12 N480 In the device shown in Figure 11.12. when the current in the primary coil of 1000 turns increases linearly from 1 A to 6A in 200 ms, an em.f. of 15V is induced into the secondary coil of 480 turns, which is left open circuited. Determine (a) the mutual inductance of the two coils, (b) the reluctance of the former and (c) the self inductance of the primary coil. 1000 m Figure 11.12 N480

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