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Pune University - SY BSc (Sem - I) PHYSICS - II : Instrumentation, April 2010

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Total No. of Questions : 4] [Total No. of Pages : 2 [3717] - 104 P261 S.Y. B.Sc. (Sem. - I) PHYSICS PH - 212 : Instrumentation (Paper - II) (New Course) Time : 2 Hours] Instructions to the candidates : 1) All questions are compulsory. 2) Figures to the right indicate full marks. 3) Neat diagrams must be drawn wherever necessary. 4) Use of calculator and log-table are allowed. [Max. Marks : 40 Q1) Attempt all of the following: a) Define sensitivity of an instrument. [1] b) What do you mean by electromechanical transducer? [1] c) Explain the working principle of resistive transducer. [1] d) Define absolute humidity. [1] e) Define Hysteresis. [1] f) State any two characteristics of transducer element. [1] g) What do you mean by instrument error? [1] h) What is diamagnetic substance? [1] i) Define atmospheric pressure. [1] j) The magnetic induction and magnetising field in a sample of magnetic material are 1 Wb/m 2 a nd 2 x 10 3 A/m respectively. Find magnetic permeability. [1] Q2) Attempt any two of the following: a) Explain the basic functional elements of typical measurement system with block diagram. [5] b) What do you mean by cantilever beam? Explain how it is used for the measurement of force. [5] c) Describe the pyranometer for measurement of global radiation. [5] P.T.O. 4

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Additional Info : S.Y. B.Sc. Physics (Semister - I), PH - 212 : Instrumentation (Paper - II) (New Course), Pune University
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