MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Engineering (MCQ) questions & answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a differential amplifier, the configuration is said to be an 'unbalanced output', if________ |
| A. | Output voltage is measured between two collectors |
| B. | Output is measured with respect to ground |
| C. | Two input signals are used |
| D. | All of the above |
| Answer» C. Two input signals are used | |
| 2. |
Which among the following belong to the category of bipolar technology?A. JFETB. MOSFETC. P-N junction isolationD. Di-electric isolation |
| A. | A & B |
| B. | B & C |
| C. | C & D |
| D. | A & D |
| Answer» D. A & D | |
| 3. |
In hysteresis width, the hysteresis voltage is equal to _______ upper & lower threshold voltages (V& V). |
| A. | sum of |
| B. | difference between |
| C. | product of |
| D. | division of |
| Answer» C. product of | |
| 4. |
Switching regulators are series type regulators, which has ______ power dissipation & ______ efficiency. |
| A. | increased, increased |
| B. | increased, reduced |
| C. | reduced, increased |
| D. | reduced, reduced |
| Answer» D. reduced, reduced | |
| 5. |
For a PLL IC 565 with timing resistor & timing capacitor of about 15 k & 0.02 F respectively, what would be the value of output frequency (f)? |
| A. | 433.33 Hz |
| B. | 833.33 Hz |
| C. | 1000 Hz |
| D. | 2500 Hz |
| Answer» C. 1000 Hz | |