181. RECTIFIER: OSCILLATOR::

1. 1. Capacitance: Inductance

   
   
   

   2. Series resonance: Parallel resonance

   
   
   

   3. DC: AC

   
   
   

   4. Regulation: Efficiency

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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182. The advantage of using crystal oscillator is that it:

1. 1. requires low dc supply voltage

   
   
   

   2. works at high frequency

   
   
   

   3. gives high output voltage

   
   
   

   4. gives constant frequency of oscillations

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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183. Which of the following circuit is the most suitable for a 1-MHz signal?

1. 1. Hartley oscillator

   
   
   

   2. Colpitts oscillator

   
   
   

   3. Phase shift oscillator

   
   
   

   4. Any of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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184. Which of the following is the most suitable circuit for generating a 1 kHz note?

1. 1. Hartley oscillator

   
   
   

   2. Colpitts oscillator

   
   
   

   3. Tuned-collector oscillator

   
   
   

   4. Wien bridge oscillator

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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185. Which of the following is basically a square wave generator?

1. 1. Hartley oscillator

   
   
   

   2. Colpitts oscillator

   
   
   

   3. Astable multivibrator

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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