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An oscillator is nothing but an amplifie...

An oscillator is nothing but an amplifier with

A

No feedback

B

Negative feedback

C

Positive feedback

D

Large gain

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS-Assignment (Section -A (Objective Type question (One option is correct))
  1. The reason of current flow in P-N junction forward biase is

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  2. In the energy band diagram of a material shown below, the open circles...

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  3. An oscillator is nothing but an amplifier with

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  4. When n-p-n transistor is used as an amplifier

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  5. If l(1),l(2),l(3) are the lengths of the emitter, base and collector o...

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  6. a common emitter amplifier gives an output of 3V for an input of 0.01 ...

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  7. In a common emitter amplifier, the phase difference between the input ...

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  8. In a common emitter amplifier the input signal is applied across

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  9. The concentration of impurities in a transistor is

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  10. In a transistor, the collector current is always · less then the emitt...

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  11. The minimum potential difference between the base and emitter required...

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  12. Which of the following represents NAND gate ?

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  13. The circuit is equivalent to

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  14. The output y, when all three inputs are first high and then low, will ...

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  15. A silicon specimen is made into a P-type semiconductor by doping, on a...

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  16. Consider the junction diode is ideal. The value of current through the...

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  17. Negative feedback

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  18. The current obtained from a simple filterless reactifier is

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  19. The depletion region of p-n junction has a thickness of the order of

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  20. In a properly biased transistor-

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