Industrial Electronics

71. What is the other term for thermoelectric effect?

  1. Seebeck effect
  2. Hall effect
  3. Photoelectric effect
  4. Thermal effect

Correct answer: (A)
Seebeck effect

72. What is the ratio of two exponential functions of time called?

  1. Transfer function
  2. Damping ratio
  3. Efficiency
  4. Gain

Correct answer: (A)
Transfer function

73. What is the required gate triggering current of GTO?

  1. 20 mA
  2. 10 mA
  3. 30 mA
  4. 40 mA

Correct answer: (A)
20 mA

74. What is the sensing element of acceleration transducer?

  1. Damper
  2. Spring
  3. Seismic mass
  4. Crystal

Correct answer: (C)
Seismic mass

75. What is the typical turn-on time of an SCR?

  1. 1 μs
  2. 5 μs
  3. 10 μs
  4. 3 μs

Correct answer: (A)
1 μs

76. What is the typical value of the interbase resistance of UJTs?

  1. 20 KQ
  2. Between 4 to 4 KQ
  3. 4 KQ
  4. Between 4 to 10 Kn

Correct answer: (D)
Between 4 to 10 Kn

77. What refers to the application of electronic theory, technology, instrumentation, and computing system to biological research and medical problems?

  1. Medical electronics
  2. Genetics electronics
  3. Biomedical engineering
  4. Biomedical electronics

Correct answer: (D)
Biomedical electronics

78. What region lies between the peak point and valley point of UJT emitter characteristic?

  1. Saturation
  2. Cut off
  3. Negative resistance
  4. Positive resistance

Correct answer: (C)
Negative resistance

79. What sensing element is typically made from a thin-walled tube formed into deep convolutions and sealed at one end, whose displacement can then be made to act on a transduction element?

  1. Diaphragm
  2. Bellow
  3. Capsule
  4. Bourdon tube

Correct answer: (B)
Bellow

80. When an SCR is combined to a switch, it is considered as a _________ switch.

  1. bidirectional
  2. mechanical
  3. unidirectional
  4. omnidirectional

Correct answer: (C)
unidirectional

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