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Analog Electronics

Analog Electronics
Given (135)x + (144)x = (323)x what is the value of base x?

 4
 5
 6
 3

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Analog Electronics
For audio frequency applications, the popular oscillator used is

 Crystal oscillator
 Hartley oscillator
 Wien bridge oscillator
 Phase shift oscillator

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Analog Electronics
When will be the P-N junction is formed ?

 Two opposite doped materials
 In depletion region
 In reverse biased region
None of these

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Analog Electronics
A 3 - phase diode bridge rectifier is fed from a 400 V rms, 50 Hz, 3 phase AC source. If the load is purely resistive, then peak instantaneous output voltage is equal to

 400 / √ 3 V.
 400√ 2 V.
 400 V.
 400√ (2/3) V.

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Analog Electronics
If the base current is 100 mA and the current gain is 30, the emitter current is

  3.1 A.
 10 A.
 3.33 mA.
 3 A.

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Analog Electronics
Which are the mobile charge carriers present in semiconductor diode ?

 Holes
 Neutrons
 Electrons
 Both A & B

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