Biomedical Instrumentation Practice Test 2

1. DC amplifiers are mostly used for very low level applications because they offer very less dc drift and high common mode rejection capabilities.

2. Photo-diodes work in _________

3. _______________ converts biochemical events into measurable signals.

4. On applying electricity to piezo-electric material mechanical deformation occurs in the material.

5. Fluoroptic temperature sensors work on the principle of _______

6. In LVDT the secondary coils are energized with sine wave oscillator.

7. The figure of merit which describes the overall behaviour of the wire under stress is determined from?

8. Which of the following material is used to build photovoltaic cells?

9. Monopolar needle electrode have a coating of which material over the stainless steel wires which are bare only at the tips?

10. The lower temperature junction in thermocouple is maintained at ________