MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
When the moving coil in a Dynamometer type wattmeter deflects ________ |
| A. | pointer moves |
| B. | pointer doesn’t move |
| C. | current flows |
| D. | voltage is generated |
| Answer» B. pointer doesn’t move | |
| 2. |
When a current carrying coil is placed in the magnetic field? |
| A. | no force is exerted |
| B. | voltage is produced |
| C. | power is generated |
| D. | a force is exerted |
| Answer» E. | |
| 3. |
In a Dynamometer type wattmeter, the fixed coil is split into ________ |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» D. 1 | |
| 4. |
In A.C. circuits, power is measured using ________ |
| A. | voltmeter |
| B. | ammeter |
| C. | ohmmeter |
| D. | wattmeter |
| Answer» E. | |
| 5. |
WHEN_A_CURRENT_CARRYING_COIL_IS_PLACED_IN_THE_MAGNETIC_FIELD.?$ |
| A. | no force is exerted |
| B. | voltage is produced |
| C. | power is generated |
| D. | a force is exerted |
| Answer» E. | |
| 6. |
When_the_moving_coil_in_a_Dynamometer_type_wattmeter_deflects$ |
| A. | pointer moves |
| B. | pointer doesn’t move |
| C. | current flows |
| D. | voltage is generated |
| Answer» B. pointer doesn‚Äö√Ñ√∂‚àö√ë‚àö¬•t move | |
| 7. |
In a Dynamometer type wattmeter, the fixed coil is split into _______? |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» D. 1 | |
| 8. |
Controlling torque is provided by gold springs. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
A dynamometer type wattmeter consists of ________ |
| A. | only potential coil |
| B. | potential and current coils |
| C. | only current coil |
| D. | no coils |
| Answer» C. only current coil | |
| 10. |
A wattmeter consists of a current coil and a potential coil. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
In A.C. circuits, power is measured using |
| A. | voltmeter |
| B. | ammeter |
| C. | ohmmeter |
| D. | wattmeter |
| Answer» E. | |
| 12. |
In D.C. circuits, power is measured using ________ |
| A. | ohmmeter and galvanometer |
| B. | ohmmeter and voltmeter |
| C. | ammeter and voltmeter |
| D. | ammeter and galvanometer |
| Answer» D. ammeter and galvanometer | |
| 13. |
In A.C. circuits, power consumed is ________ |
| A. | product of voltage and current |
| B. | it depends on the p.f. of the circuit in addition to voltage and current |
| C. | it depends on the supply voltage |
| D. | it depends on the magnitude of the circuit current |
| Answer» C. it depends on the supply voltage | |
| 14. |
Power is ___________ |
| A. | rate of doing work |
| B. | rate of producing voltage |
| C. | rate of generating current |
| D. | rate of overcoming friction |
| Answer» B. rate of producing voltage | |