MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 11 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. |
How is frequency related to time period? |
| A. | square proportional |
| B. | not related |
| C. | directly proportional |
| D. | inversely proportional |
| Answer» D. inversely proportional | |
| 2. |
Period of a waveform is obtained by which of the following relation? |
| A. | T = number of divisions occupied by 1 cycle×(time) |
| B. | T = number of divisions occupied by 1 cycle×(1⁄division) |
| C. | T = number of divisions occupied by 1 cycle×(time⁄division) |
| D. | T = number of divisions occupied by 1 cycle |
| E. | T = number of divisions occupied by 1 cycle×(1⁄division)c) T = number of divisions occupied by 1 cycle×(time⁄division)d) T = number of divisions occupied by 1 cycle |
| Answer» D. T = number of divisions occupied by 1 cycle | |
| 3. |
The R.M.S voltage is given by which of the following relation? |
| A. | Vrms = \(\frac{V_m}{2}\) |
| B. | Vrms = \(\frac{V_m}{\sqrt{2}}\) |
| C. | Vrms = \(\frac{V_m}{8}\) |
| D. | Vrms = \(\frac{V_m}{\sqrt{8}}\) |
| Answer» C. Vrms = \(\frac{V_m}{8}\) | |
| 4. |
The amplitude of voltage is given by which of the following relation? |
| A. | Vm = \(\frac{V_{p-p}}{2}\) |
| B. | Vm = \(\frac{V_{p-p}}{4}\) |
| C. | Vm = 2 × Vp-p |
| D. | Vm = 4 × Vp-p |
| Answer» B. Vm = \(\frac{V_{p-p}}{4}\) | |
| 5. |
Peak to peak voltage is given by ________ |
| A. | Vp-p = number of units × \((\frac{1}{division})\) |
| B. | Vp-p = \((\frac{volts}{division})\) |
| C. | Vp-p = number of units × volts |
| D. | Vp-p = number of units × \((\frac{volts}{division})\) |
| Answer» E. | |
| 6. |
HOW_IS_FREQUENCY_RELATED_TO_TIME_PERIOD??$ |
| A. | square proportional |
| B. | not related |
| C. | directly proportional |
| D. | inversely proportional |
| Answer» D. inversely proportional | |
| 7. |
Period of a waveform is obtained by the relation? |
| A. | T=number of divisions occupied by 1 cycle√ó(time) |
| B. | T=number of divisions occupied by 1 cycle√ó(<sup>1</sup>‚ÅÑ<sub>division</sub>) |
| C. | T=number of divisions occupied by 1 cycle√ó(<sup>time</sup>‚ÅÑ<sub>division</sub>) |
| D. | T=number of divisions occupied by 1 cycle |
| Answer» D. T=number of divisions occupied by 1 cycle | |
| 8. |
CRO is voltage measuring device. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
How is error in measurement reduced? |
| A. | using r.m.s value |
| B. | using absolute value |
| C. | using peak to peak value |
| D. | using a voltmeter |
| Answer» D. using a voltmeter | |
| 10. |
How is the waveform adjusted? |
| A. | by adjusting the voltage |
| B. | through shift controls |
| C. | by reducing the current |
| D. | by means of a galvanometer |
| Answer» C. by reducing the current | |
| 11. |
By making use of a CRO _________ |
| A. | many characteristics of a signal can be measured |
| B. | only a few characteristics of a signal can be measured |
| C. | no characteristics of a signal can be measured |
| D. | signal can only be displayed |
| Answer» B. only a few characteristics of a signal can be measured | |