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Analog Electronics

Analog Electronics
Assume that diode D1, D2 in figure are ideal diodes. The value of current is mcq-diagram

 1 mA.
 0 mA.
 2 mA.
 0.5 mA.

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Analog Electronics
What is mean by the outermost orbit of an atom ?

 Conduction band
None of these
 Valence orbit
 Energy band

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

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Analog Electronics
MOSFET can be used as a

Current controlled capacitor
Current controlled inductor
Voltage controlled capacitor
Voltage controlled inductors

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Analog Electronics
In a N-type semiconductor material electrons are ....................

 Majority charge carriers
 High charge carriers
 Low charge carriers
 Minority charge carriers

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Analog Electronics
When P-type substance is connected with positive and N-type is connected with negative terminal then P-N junction diode is in ....................

 Forward biased
 Reverse biased
None of these
 No biased

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