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Analog Electronics

Analog Electronics
Base of a number system is also known as

 value
 shift
 count
 radix

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Analog Electronics
For emitter bias, the voltage at the emitter is 0.7 V less than the

 collector voltage.
 emitter voltage.
 ground voltage.
  base voltage.

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Analog Electronics
Darlington connection is achieved in 2 transistors by connecting

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

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Analog Electronics
Asource follower using an FET usually has a voltage gain which is

Slightly less than unity but positive
Exactly unity but negative
About -10
Greater than +100

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Analog Electronics
An npn BJT has gm=38mA/v, cµ =10¯14 F, cπ =10¯13F and DC current gain β0=90.For this transistor fT & fβ are

fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz
fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz
fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz
fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz

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Analog Electronics
A 555 IC is used to produce

 register
 byte
 counter
 clock

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MORE MCQ ON Analog Electronics

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