Electronic Devices and Circuit Theory- Bipolar Junction Transistors

Electronic Devices and Circuit Theory- Bipolar Junction Transistors
11. What is (are) general-purpose/small-signal transistors case type(s)?
  • TO-18
  • TO-92
  • TO-39
  • TO-52
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12. What is (are) common fault(s) in a BJT-based circuit?
  • opens or shorts internal to the transistor
  • open bias resistor(s)
  • external opens and shorts on the circuit board
  • all of the above
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13. The dc load line on a family of collector characteristic curves of a transistor shows the
.
  • saturation region
  • cutoff region.
  • active region.
  • all of the above
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14. It is best to check a transistor in-circuit before removing it.
  • TRUE
  • FALSE
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15. A BJT consists of three regions: base, emitter, and collector.
  • TRUE
  • FALSE
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16. BJT transistors are of two general types, npn and pnp.
  • TRUE
  • FALSE
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17. In saturation, both the base-collector and base-emitter junctions are forward-biased.
  • TRUE
  • FALSE
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18. Both junctions of a BJT should be forward-biased for linear operation.
  • TRUE
  • FALSE
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19. Phototransistors usually respond only to light in the red or infrared spectrum.
  • TRUE
  • FALSE
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