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1. A flux of 1.5 mWb, linking with a 250 turn coil, is uniformly reversed in a time of 0.02 s. Calculate the value of the emf so induced.

2. A coil of 2000 turns is linked by a magnetic flux of 400 μWb. Determine the emf induced in the coil when

(a) this flux is reversed in 0.05 s, and

(b) the flux is reduced to zero in 0.15 s.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M92101958

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