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Answer quickly as soon as possible 640) A coil of 540 turns has an inductance of 15 mH. Determine (i) the flux produced in the

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640) A coil of 540 turns has an inductance of 15 mH. Determine (i) the flux produced in the core when a current of 2A flows in the coil and (ii) the value of the self-induced emf in the coil when the current is changed from +2A to -2A in 10 ms. 640) A coil of 540 turns has an inductance of 15 mH. Determine (i) the flux produced in the core when a current of 2A flows in the coil and (ii) the value of the self-induced emf in the coil when the current is changed from +2A to -2A in 10 ms

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