MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
A Schering bridge can be used for the ______________ |
| A. | measuring voltages |
| B. | measuring currents |
| C. | testing capacitors |
| D. | protecting the circuit from temperature rises |
| Answer» D. protecting the circuit from temperature rises | |
| 2. |
Commercial Schering bridge can be used for the measurement of capacitances from _____________ |
| A. | 10pF to 0.1nF |
| B. | 100pF to 1 F |
| C. | 50nF to 10mF |
| D. | 25mF to 5F |
| Answer» C. 50nF to 10mF | |
| 3. |
Dissipation factor is the reciprocal of quality factor. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Quality factor is given by which of the following expression? |
| A. | Q = <sup>1</sup> <sub>R</sub> |
| B. | Q = R |
| C. | Q = <sup>X</sup> <sub>R</sub> |
| D. | Q = XR |
| Answer» D. Q = XR | |
| 5. |
For a series RC circuit, what is ? |
| A. | voltage between series RC combination and C |
| B. | voltage between series RC combination |
| C. | voltage across C |
| D. | voltage across R |
| Answer» B. voltage between series RC combination | |
| 6. |
For phase angles close to 90 , the power factor of the bridge is _________ |
| A. | p.f. = R<sub>x</sub> |
| B. | p.f. = C<sub>x</sub> |
| C. | p.f. = R<sub>x</sub> C<sub>x</sub> |
| D. | p.f. = R<sub>x</sub> C<sub>x</sub> |
| Answer» E. | |