MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A full wave rectifier with a load resistance of 5KΩ uses an inductor filter of 15henry. The peak value of applied voltage is 250V and the frequency is 50 cycles per second. Calculate the ripple factor (ϒ). |
| A. | 0.1 |
| B. | 0.6 |
| C. | 0.5 |
| D. | 0.4 |
| Answer» E. | |
| 2. |
A dc voltage of 380V with a peak ripple voltage not exceeding 7V is required to supply a 500Ω load. Find out the inductance required. |
| A. | 10.8henry |
| B. | 30.7henry |
| C. | 28.8henry |
| D. | 15.4henry |
| Answer» D. 15.4henry | |
| 3. |
A full wave rectifier with a load resistance of 5KΩ uses an inductor filter of 15henry. The peak value of applied voltage is 250V and the frequency is 50 cycles per second. Calculate the dc load current. |
| A. | 0.7mA |
| B. | 17mA |
| C. | 10.6mA |
| D. | 20mA |
| Answer» D. 20mA | |
| 4. |
The ripple factor (ϒ) of inductor filter is_________ |
| A. | ϒ = RZ3/√2ωL |
| B. | ϒ = RZ/3√2ωL |
| C. | ϒ = RZ3√2/ωL |
| D. | ϒ = RZ3/√2ωL |
| Answer» C. ϒ = RZ3√2/ωL | |