MCQOPTIONS
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MCQOPTIONS
| 1. |
A turbine flow meter is rotating at 72 rpm. The flux ψ linked to the nearby magnet and coil assemble is given by ψ(θ) = 3 + cos (4θ) mWb, where θ is the angular position (in radian). The amplitude and frequency of the output voltage signal, respectively, are |
| A. | 4 mV and 45.8 Hz |
| B. | 30.2 mV and 4.8 Hz |
| C. | 30.2 mV and 30.2 Hz |
| D. | 288 mV and 45.8 Hz |
| Answer» C. 30.2 mV and 30.2 Hz | |