MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
In mid frequency region, the large capacitors are short and small capacitors are open circuited. What happens to the RC coupled circuit? |
| A. | the circuit is now frequency blind |
| B. | it is DC isolated |
| C. | the circuit turns reactive |
| D. | the circuit is AC dependent |
| Answer» B. it is DC isolated | |
| 2. |
When the β value is large for a given transistor, the IC and hoe values are given by_________ |
| A. | (VCC-VBE)/RB, VCC-RCIC |
| B. | (VCC+VBE)/RB, VCC-RC(IC+IB) |
| C. | (VCC+VBE)/RB, VCC+RC(IC+IB) |
| D. | (VCC+VBE)/RB,VCC+RC(IC-IB) |
| Answer» B. (VCC+VBE)/RB, VCC-RC(IC+IB) | |
| 3. |
In the circuit shown below, β =100 and VBE=0.7V. The Zener diode has a breakdown voltage of 6V. Find the operating point. |
| A. | (6.7V, 5.3mA) |
| B. | (5.7V, 5.3mA) |
| C. | (6.7V, 5mA) |
| D. | (6V, 5mA) |
| Answer» B. (5.7V, 5.3mA) | |
| 4. |
For the circuit shown, find the quiescent point. |
| A. | (6V, 1mA) |
| B. | (4V, 10mA) |
| C. | (10V, 3mA) |
| D. | (3mA, 10V) |
| Answer» D. (3mA, 10V) | |
| 5. |
In the circuit, transistor has β =60, VBE=0.7V. Find the collector to emitter voltage drop hoe. |
| A. | 5V |
| B. | 3V |
| C. | 8V |
| D. | 6V |
| Answer» E. | |