Exercise :: Analog Electronics - Section 4
- Analog Electronics - Section 1
- Analog Electronics - Section 2
- Analog Electronics - Section 3
- Analog Electronics - Section 4
- Analog Electronics - Section 5
- Analog Electronics - Section 6
- Analog Electronics - Section 7
- Analog Electronics - Section 8
- Analog Electronics - Section 9
- Analog Electronics - Section 10
- Analog Electronics - Section 11
- Analog Electronics - Section 12
- Analog Electronics - Section 13
- Analog Electronics - Section 14
- Analog Electronics - Section 15
- Analog Electronics - Section 16
- Analog Electronics - Section 17
- Analog Electronics - Section 18
- Analog Electronics - Section 19
- Analog Electronics - Section 20
- Analog Electronics - Section 21
| 1. | If the Q of a single stage single tuned amplifier is doubled, the bandwidth will |
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Answer: Option B Explanation:
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. If Q is doubles, bandwidth becomes half.| 2. | In full wave rectification, if the input frequency is 50 Hz, then frequency at the output of filter is |
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Answer: Option B Explanation: Filter output will give d.c. signal and d.c. signal Passed zero frequency. |
| 3. | The circuit in the given figure is |
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Answer: Option A Explanation: It is a L.P.F. of second order. |
| 4. | The turn ratio of a transformer is 20:1, if a load of 10Ω is connected across the secondary, what will be the effective resistance seen looking into the Primary? |
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Answer: Option B Explanation:
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| 5. | In a CE amplifier circuit the ac voltage between emitter and ground |
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Answer: Option C Explanation: Common emitter means emitter at ground potential. |