MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Measurements knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For a P.T. the turns ratio is defined as the _________ |
| A. | n = <sup>N<sub>p</sub></sup> <sub>N<sub>s</sub></sub> |
| B. | n = <sup>1</sup> <sub>N<sub>p</sub></sub> |
| C. | n = N<sub>s</sub> |
| D. | n = <sup>N<sub>s</sub></sup> <sub>N<sub>p</sub></sub> |
| Answer» B. n = <sup>1</sup> <sub>N<sub>p</sub></sub> | |
| 2. |
For a C.T. the turns ratio is defined as the _________ |
| A. | n = <sup>N<sub>p</sub></sup> <sub>N<sub>s</sub></sub> |
| B. | n = <sup>1</sup> <sub>N<sub>p</sub></sub> |
| C. | n = N<sub>s</sub> |
| D. | n = <sup>N<sub>s</sub></sup> <sub>N<sub>p</sub></sub> |
| Answer» E. | |
| 3. |
For a P.T. the nominal ratio is given by which of the following relation? |
| A. | K<sub>n</sub> = ( frac{V_{s(rated)}}{V_{p(rated)}} ) |
| B. | K<sub>n</sub> = ( frac{V_{p(rated)}}{V_{s(rated)}} ) |
| C. | K<sub>n</sub> = ( frac{1}{V_{s(rated)}} ) |
| D. | K<sub>n</sub> = V<sub>p(rated)</sub> |
| Answer» C. K<sub>n</sub> = ( frac{1}{V_{s(rated)}} ) | |
| 4. |
For a C.T. the nominal ratio is given by which of the following relation? |
| A. | K<sub>n</sub> = ( frac{I_{p(rated)}}{I_{s(rated)}} ) |
| B. | K<sub>n</sub> = ( frac{I_{s(rated)}}{I_{p(rated)}} ) |
| C. | K<sub>n</sub> = ( frac{1}{I_{s(rated)}} ) |
| D. | K<sub>n</sub> = I<sub>p(rated)</sub> |
| Answer» B. K<sub>n</sub> = ( frac{I_{s(rated)}}{I_{p(rated)}} ) | |
| 5. |
For a P.T. the transformation ratio is given by which of the following relation? |
| A. | R = ( frac{V_s}{V_p} ) |
| B. | R = ( frac{1}{V_s} ) |
| C. | R = ( frac{V_p}{V_s} ) |
| D. | R = V<sub>p</sub> |
| Answer» D. R = V<sub>p</sub> | |
| 6. |
For a C.T. the transformation ratio is given by which of the following relation? |
| A. | R = ( frac{I_s}{I_p} ) |
| B. | R = ( frac{I_p}{I_s} ) |
| C. | R = ( frac{1}{I_p} ) |
| D. | R = I<sub>p</sub> |
| Answer» C. R = ( frac{1}{I_p} ) | |
| 7. |
Transformation ratio of an instrument is defined as ____________ |
| A. | ratio of primary to secondary phasor |
| B. | ratio of secondary to primary phasor |
| C. | reciprocal of the primary phasor |
| D. | reciprocal of the secondary phasor |
| Answer» B. ratio of secondary to primary phasor | |