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| Q. |
What is the typical range of EMG signals? |
| A. | 0.025 to 0.050 mV |
| B. | 0.050 to 0.1 mV |
| C. | 0.1 to 0.5 mV |
| D. | 0.5 to 1 mV |
| Answer» C. 0.1 to 0.5 mV | |
| Explanation: A typical EMG signal ranges from 0.1 to 0.5 mV. They may contain frequency components extending up to 10 kHz.Such high frequency signals cannot be recorded on the conventional pen recorders and therefore, they are usually displayed on the CRT screen. | |
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