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04
Jun

Electromagnetic Induction & Alternating Current Test18

Written by Administrator on 04 June 2013.

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Quick View of Questions:

  1. The variation of current with time in a generator gives a _____.
  2. Energy loss in a transformer due to Joule heating effect is called _____.
  3. A wire cuts across a flux of 0.2 ´ 10-2 weber in 0.12 second. What is the emf induced in the wire?
  4. The self-inductance of a coil is equal to the magnetic flux linkage of the coil, when the current through the coil is _____.
  5. The frequency of domestic power supply is _____.
  6. The inductive reactance _____.
  7. The property of a coil which enables to induce an emf in it when the current in the coil changes is called _____.
  8. In an LCR circuit if XL > XC, then _____.
  9. Power over a complete cycle in an ac circuit containing pure resistor is _____.
  10. When a steady current flows through one coil the current induced in the adjacent coil is _____.

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