MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If RR , YY and BB constitutes three phase sequence if V RR = Vmsin t its corresponding field magnets are in clockwise direction, then the value of V BB is? |
| A. | V<sub>m</sub>sin( t-240 ) |
| B. | V<sub>m</sub>sin( t-120 ) |
| C. | V<sub>m</sub>sin( t+240 ) |
| D. | V<sub>m</sub>sin t |
| Answer» B. V<sub>m</sub>sin( t-120 ) | |
| 2. |
If RR , YY and BB constitutes three phase sequence if V RR = Vmsin t its corresponding field magnets are in clockwise direction, then V YY =? |
| A. | V<sub>m</sub>sin t |
| B. | V<sub>m</sub>sin( t+120 ) |
| C. | V<sub>m</sub>sin( t-120 ) |
| D. | V<sub>m</sub>sin( t-240 ) |
| Answer» D. V<sub>m</sub>sin( t-240 ) | |
| 3. |
Phase sequence depends on the _________________ |
| A. | field |
| B. | rotation of the field |
| C. | armature |
| D. | rotation of the armature |
| Answer» C. armature | |