BSc Sem V 2015 2016 2016 Physics Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Write note on Construction and working of a thermocouple
2. Q2 Explain load cell with neat diagram. Where is it used?
   • A) Attempt any one 8M
3. Q1 With the help of neat circuit diagram of CRT connection explain the following CRT controls i) Focus ii) Intensity Astigmatism iv) Vertical and AS digit display voltmeter is used for voltage measurements
   • i) Find its resolution
   • ii) How 8.37 V will be displayed on the 20Volt range?
   • iii) How 128.86 mV will be displayed on the 200mv and 2 Volt ranges?
   • B) Attempt any one
4. Q1 neat diagram, explain the operation of a transistorized voltmeter
5. Q2 With neat block diagram, explain the working of a single trace CRO
   • A) Attempt any one 8M Explain working of an instrumentation amplifier with a neat circuit diagram. Derive an expression for its output voltage ge oscillator. Explain its operation and the expression for the frequency of oscillation,
   • B) Attempt any r of How are higher order (more than comparison between second & fourth order : of IC 555 timer as tone With the help of neat diagram explain the working 4, A) Attempt any One
6. Q1 With the help of neat diagram, explain the working of an adjustable bipolar voltage
7. Q2 With the help of neat diagram, explain the principle of operation of a Buck-Boost switching regulator. Give expression for its output voltage
   • B) Attempt any One
8. Q1 Draw the circuit diagram of a constant current source using OPAMP & PNP transistor Explain its operation
9. Q2 Write note on Monolithic switching regulators
10. Q5 A) Attempt any One 15M
11. Q1 Explain construction & working of LVDT
12. Q2 A resistance strain gauge has a gauge factor 2 & resistance of 120 Q. This is installed in an aluminum matrix which is subjected to stress of The young’s modulus of the gauge is 68.87GN/m?Determine the change in resistance
13. Q3 Write a note on positive clipper using OPAMP
14. Q4 A band-pass filter has a lower cutoff frequency of 20KHz. & a higher cutoff frequency of 22KHz. Calculate the Q factor the characteristics of linear voltage regulator? Find the output voltage in case of L reason. J M 317 & LM 337 when is short circuited. Give

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