What is the diameter of an array transducer?(a) 2(b) 4(c) 6(d) 8The question was posed to me during an online interview.The query is from Oximeters topic in chapter Oximeters of Biomedical Instrumentation

What is the diameter of an array transducer?(a) 2(b) 4(c) 6(d) 8The qu

1.	What is the diameter of an array transducer?(a) 2(b) 4(c) 6(d) 8The question was posed to me during an online interview.The query is from Oximeters topic in chapter Oximeters of Biomedical Instrumentation
Answer» The correct answer is (c) 6 The EXPLANATION is: The transmitting crystal emits a 40° divergent beam so that at 10 cm from the skin surface the beam covers an AREA of approximately 10 cm diameter. This construction ensures continuous recording of the foetal heart activity without the need to reposition the transducer which is otherwise necessitated due to normal foetal MOVEMENT. The transducer has a diameter of 6 cm and can be held in place either by a simple buckle or a stretch belt.

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What is the diameter of an array transducer?(a) 2(b) 4(c) 6(d) 8The question was posed to me during an online interview.The query is from Oximeters topic in chapter Oximeters of Biomedical Instrumentation

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