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Analog Electronics

Analog Electronics
Which of the following is a semiconductors material ?

 All the above
 Ge
 GaAs
 Si

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Analog Electronics
The current gain of a bipolar transistor drops at high frequencies because of

High current effects in the base
Parasitic inductive elements
Transistor capacitances
The early effect

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Analog Electronics
For a reverse biased pn junction, the electric current through the junction increases abruptly at

  0 V.
  7.2 eV.
  breakdown voltage.
  0.2 eV.

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Analog Electronics
A Schottky diode is a

 both a majority and a minority carrier diode.
 minority carrier device.
 fast recovery diode.
 majority carrier device.

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Analog Electronics
LC oscillators are used for produce a waveform with frequency ranging from

 100 KHz to 500 MHz
 1MHz to 500 MHz
 1MHz to 100 GHz
 1 KHz to 1 MHz

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Analog Electronics
The input offset electric current equals the

 average of the two base currents.
 difference between the two base-emitter voltages.
 collector electric current divided by the base current.
 difference between the two base currents.

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