Question
The EEG cabins should be completely shielded by a continuous sheet of wire mesh of copper to avoid the picking up of noise from external electromagnetic disturbances. Such a shielding is called as:
| A. |
Maxwell cage
|
| B. |
Faraday cage
|
| C. |
Edison’s cage
|
| D. |
Ohms cage
|
Show Answer
|
Correct Answer � B
Explanation
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|
Ans. Faraday cage
- Faraday cages are an apparatus to prevent the passage of electromagnetic waves.
- A Faraday cage is a conductive enclosure used to shield the inner space from electromagnetic interference.
- In MR imaging, this type of structure provides radiofrequency shielding to the scanning room to minimize the occurrence of interference-associated imaging artifact.
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