Analog Electronics
Darlington connection is achieved in 2 transistors by connecting

 both collector.
 grounding both collector.
 both base.
 both emitter.

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Analog Electronics
A working diode must have

 High resistance when forward biased, while low resistance when reverse bias
 High resistance when forward or reverse biased
 Low resistance when forward biased, while high resistance when reverse bias
 Low resistance when forward or reverse biased

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Analog Electronics
Optocouplers combine

  Infrared light emitting diode and a silicon photo transistor.
 IGBTs and MOSFETs.
 SITs and BJTs.
 Power transistor and silicon transistor.

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Analog Electronics
A Semiconductor has a

 Positive Temperature coefficient of resistance
None of these
 Negative Temperature coefficient of resistance
 Constant Temperature coefficient of resistance

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