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Consumer Electronics by S. P. Bali

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Fill in the Blanks

  1. ____________ permit one-way communication.
  2. ____________ permit two-way communication.
  3. Interaction between the two fields in moving iron headphones varies the ____________ on the diaphragm causing it to ____________.
  4. Plastic membranes can have much less ____________ and ____________ than metal diaphragms thereby minimising problems with ____________.
  5. The impedance of crystal headphones is predominantly____________.
  6. Electrostatic headphone lends itself to a ____________ configuration minimising ____________.
  7. Electret electrostatic headphones are permanently ____________.
  8. LED indicators in headphones indicate that the circuit is ____________.
ANSWERS

Multiple Choice Questions

  1. (a)

  2. (a)

  3. (a)

  4. (b)

  5. (a)

  6. (a)

Fill in the Blanks ...

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