MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Identify the material whose resistivity lie between 10-6 Ωm and 104 Ωm. |
| A. | Silver |
| B. | Mica |
| C. | Copper |
| D. | Silicon |
| Answer» E. | |
| 2. |
Find the resistance value of the carbon resistor if the colors of bands are green, violet, and red respectively. |
| A. | 57 × 102Ω ± 5% |
| B. | 57 × 102Ω ± 10% |
| C. | 57 × 102Ω ± 20% |
| D. | 57 × 102Ω |
| Answer» D. 57 × 102Ω | |
| 3. |
Find the resistance value of the carbon resistor if the colors of the four bands are yellow, violet, brown and gold respectively. |
| A. | 47 × 101Ω ± 5% |
| B. | 47 × 100Ω ± 5% |
| C. | 47 × 106Ω ± 5% |
| D. | 47 × 102Ω ± 5% |
| Answer» B. 47 × 100Ω ± 5% | |
| 4. |
‘X’ is a type of commercial resistor made from a mixture of clay, carbon black, and resin binder which are pressed and then molded into cylindrical rods by heating. Identify X. |
| A. | Wire-bound resistors |
| B. | Carbon resistors |
| C. | Metal film resistors |
| D. | Surface-mount resistors |
| Answer» C. Metal film resistors | |
| 5. |
If the fourth band of the carbon resistor is absent, it implies there is no tolerance. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Find the resistance value of the carbon resistor if the colors of the four bands are red, red, red and silver respectively. |
| A. | 33 × 102Ω ± 20% |
| B. | 22 × 102Ω ± 5% |
| C. | 22 × 102Ω ± 10% |
| D. | 33 × 103Ω ± 10% |
| Answer» D. 33 × 103Ω ± 10% | |
| 7. |
Identify the wrong statement describing the color code for carbon resistors. |
| A. | The first band indicates the first significant figure |
| B. | The second band indicates the second significant figure |
| C. | The third band indicates the third significant figure |
| D. | The fourth band indicates the possible variation in the percent of the indicated value |
| Answer» D. The fourth band indicates the possible variation in the percent of the indicated value | |
| 8. |
Identify the material whose resistivity is more than 1014 Ωm. |
| A. | Bakelite |
| B. | Copper |
| C. | Aluminum |
| D. | Silicon |
| Answer» B. Copper | |
| 9. |
Which of the following is a widely used variety of commercial resistor? |
| A. | Bio amplification resistor |
| B. | Wire-bound resistor |
| C. | Ultrasonic resistor |
| D. | Copper resistor |
| Answer» C. Ultrasonic resistor | |
| 10. |
Identify the type of materials which have resistivities in the range of 10-8 Ωm to 10-6 Ωm. |
| A. | Semiconductors |
| B. | Insulators |
| C. | Conductors |
| D. | Thyristors |
| Answer» D. Thyristors | |