1. State the advantages of hot wire instruments
Ans - a) Measure both AC & DC , B) Less sensitive to stray magnetic field
2. Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference
Ans- a) Peltier , b) Thomson , c) Seebeck
3. Typical specifications for design stipulates the gain margin and phase margin to be respectively
Ans- a) >1.7 and >30 deg , b) <1.7 and <30 deg
4. A negative gain margin expressed in decibels means a/an __________ system....
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