MCQOPTIONS
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MCQOPTIONS
This section includes 17 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. |
Balance condition can be obtained by _________ |
| A. | varying the standard resistance R3 |
| B. | varying the resistance arms R1 and R2 |
| C. | keeping the unknown resistance R4 constant |
| D. | by making use of a null detector |
| Answer» C. keeping the unknown resistance R4 constant | |
| 2. |
The balance condition of a Wheatstone bridge depends on the _________ |
| A. | ratio of arms R1 and R1 |
| B. | ratio of arms R3 and R4 |
| C. | emf source and null detector |
| D. | current source and power source |
| Answer» B. ratio of arms R3 and R4 | |
| 3. |
Wheatstone bridge works on the principle of ________ |
| A. | full deflection |
| B. | partial deflection |
| C. | no deflection |
| D. | null deflection |
| Answer» E. | |
| 4. |
Resistance R4 is known as ________ |
| A. | standard resistance |
| B. | unknown resistance to be measured |
| C. | resistance arm |
| D. | input resistance |
| Answer» C. resistance arm | |
| 5. |
The arm consisting of the standard known resistance R3 is known as __________ |
| A. | standard arm |
| B. | resistance arm |
| C. | accurate arm |
| D. | known arm |
| Answer» B. resistance arm | |
| 6. |
The arms consisting of the resistances R1 and R2 are called _________ |
| A. | resistance arms |
| B. | impedance arms |
| C. | source arms |
| D. | ratio arms |
| Answer» E. | |
| 7. |
A galvanometer is used as a _________ |
| A. | current source |
| B. | voltage source |
| C. | null detector |
| D. | input impedance |
| Answer» D. input impedance | |
| 8. |
THE_BALANCE_CONDITION_OF_A_WHEATSTONE_BRIDGE_DEPENDS_ON_THE?$ |
| A. | ratio of arms R<sub>1</sub> and R<sub>1</sub> |
| B. | ratio of arms R<sub>3</sub> and R<sub>4</sub> |
| C. | emf source and null detector |
| D. | current source and power source |
| Answer» B. ratio of arms R<sub>3</sub> and R<sub>4</sub> | |
| 9. |
Balance_condition_can_be_obtained_by$ |
| A. | varying the standard resistance R<sub>3</sub> |
| B. | varying the resistance arms R<sub>1</sub> and R<sub>2</sub> |
| C. | keeping the unknown resistance R<sub>4</sub> constant |
| D. | by making use of a null detector |
| Answer» C. keeping the unknown resistance R<sub>4</sub> constant | |
| 10. |
Wheatstone bridge works on the principle of _______? |
| A. | full deflection |
| B. | partial deflection |
| C. | no deflection |
| D. | null deflection |
| Answer» E. | |
| 11. |
What is connected between the two ends of a Wheatstone bridge? |
| A. | current and voltage source |
| B. | ammeter and voltmeter |
| C. | battery and galvanometer |
| D. | ohmmeter and wattmeter |
| Answer» D. ohmmeter and wattmeter | |
| 12. |
Resistance R4 is known as ________ |
| A. | standard resistance |
| B. | unknown resistance to be measured |
| C. | resistance arm |
| D. | input resistance |
| Answer» C. resistance arm | |
| 13. |
The arm consisting of the standard known resistance R3 is known as __________ |
| A. | standard arm |
| B. | resistance arm |
| C. | accurate arm |
| D. | known arm |
| Answer» B. resistance arm | |
| 14. |
The arms consisting of the resistances R1 and R2 are called _________ |
| A. | resistance arms |
| B. | impedance arms |
| C. | source arms |
| D. | ratio arms |
| Answer» E. | |
| 15. |
The opposite two ends of a Wheatstone bridge consist of _________ |
| A. | voltage and current source |
| B. | e.m.f and null detector |
| C. | resistance and capacitance |
| D. | inductance and impedance |
| Answer» C. resistance and capacitance | |
| 16. |
A galvanometer is used as a _________ |
| A. | current source |
| B. | voltage source |
| C. | null detector |
| D. | input impedance |
| Answer» D. input impedance | |
| 17. |
Wheatstone bridge consists of _________ |
| A. | 4 resistive arms |
| B. | 2 resistive arms |
| C. | 6 resistive arms |
| D. | 8 resistive arms |
| Answer» B. 2 resistive arms | |