Tag: science & technology

Questions Related to science & technology

Why are semiconductor valuable in modern electronics
general knowledge science & technology

  1. use low power

  2. fast switching

  3. reliable

  4. all of the above

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Correct Option: D

Semiconductors exhibit which of the following opto-electronic properties
general knowledge science & technology

  1. photoresistivity

  2. photoconductivity

  3. production of photoelectric currents

  4. all of the above

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Correct Option: D

For which diode current constant throughout the diode even for reverse bias
general knowledge science & technology

  1. Varactor Diode

  2. PIN diode

  3. ZENER diode

  4. Tunnel Diode

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Correct Option: D

which element is used as the gate insulating material in a MOSFET.
general knowledge science & technology

  1. Carbon Dioxide

  2. Silicon Dioxide

  3. Borium Nitride

  4. Titanium Dioxide

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Correct Option: B

Full form of JFET
general knowledge science & technology

  1. Junction field effect transistor

  2. Junction field effective transistor

  3. Joint field effect transistor

  4. Junction field effect transformer

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Correct Option: A

Which of the following memories uses a MOSFET and a capacitor as its memory cell?
general knowledge science & technology

  1. SRAM

  2. ROM

  3. DRAM

  4. DROM

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Correct Option: C

What is the full form of MOSFET
general knowledge science & technology

  1. Metal oxide semiconductor field effect transistor

  2. Metal oxide semiconductor field effective transistor

  3. Metal oxide semiconductor field effect transister

  4. Metal oxide semiconductor field effective transformer

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Correct Option: A

What is the order of energy gap in a Semiconductor
general knowledge science & technology

  1. no energy gap

  2. 6 ev (or) more than 6 ev.

  3. It is of the order of 1 ev

  4. more than 8 ev

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Correct Option: C

Envelope detectors based on diodes are used in most forms of AM radio, from crystal sets to superheterodyne receivers.
general knowledge science & technology

  1. True

  2. False

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Correct Option: A

Which of the following materials is not a semiconductor?
general knowledge science & technology

  1. germanium

  2. Silicone

  3. Gallium arsenide

  4. Gallium nitride

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Correct Option: B