Exam Details
| Subject | linear electronics – ii | |
| Paper | ||
| Exam / Course | b.sc. – i (ecs) | |
| Department | ||
| Organization | solapur university | |
| Position | ||
| Exam Date | November, 2018 | |
| City, State | maharashtra, solapur |
Question Paper
B.Sc. I (Semester II) (CBCS Pattern) Examination, 2018
Electronics
linear electronics II (Paper IV)
Day and Date Thursday, 22-11-2018 Total Marks 70
Time 10.30 a.m. to 1.00 p.m.
Instructions All questions are compulsory.
Figures to the right place indicate full marks.
1. Multiple Choice Questions. 14
MOSFET has input impedance.
Low Very low High Very high
transducers are self generating transducers.
Active passive Both a and b None
RTD is a type transducer.
Negative temp. coefficient Positive temp. coefficient
Neutral None
Oscillator is an electronic device which converts
ac to ac dc to ac
dc to dc None of the above
According to barkhousen criteria loop gain Ab is always keep
to get constant oscillations.
0 None
multivibrator are called free running multivibrator.
Monostable Bistable Astable None
Thermistor is a transducer.
P ressure Light sensitive
Thermal None
The frequency of phase shift oscillator is given by
formula.
1/2πRC√6 1/2πFC√6 1/2πR√6 1/2πC√6
In MOSFET layer is used to increase input resistance.
Semiconductor SIO2 Impurity None
10) The frequency of oscillations remain stable in oscillator.
Crystal Hartley Colpitt None
11) The gate voltage at which drain current cuts-off is called
Cut-in-voltage P inchoff voltage
Offset voltage None
12) If any IC contains components above 1000 then such integration are called
SSI MSI LSI VLSI
13) TTL logic uses power supply
5 V 10 V 3 V 15 V
14) In components mounting is only on one side of PCB.
SMD SMC SMT P TH
2. Answer any seven of the following 14
Give advantages of FET.
Give four measurement characteristics of sensors.
Compare between TTL and MOS family.
What is negative feedback What is positive feedback
What is noise margin
Draw symbol of n-channel and p-channel depletion MOSFET.
Define Oscillator Multivibrator.
What is transducer What are two main types of transducer
Draw diagram of PAL.
3. Answer any two of the following 10
Explain n-channel FET.
Explain Astable Multivibrator using IC 555.
Explain crystal oscillator.
Explain PLA. 4
4. attempt any two of the following 14
Explain Complex Programmable Logical Device (CPLD).
Explain Thermocouple Transducer.
Explain Phase Shift Oscillator.
5. attempt any two of the following 14
Explain SMT and SMD.
Explain pH sensor and IR sensor.
Explain N-channel Enhancement MOSFET.
Electronics
linear electronics II (Paper IV)
Day and Date Thursday, 22-11-2018 Total Marks 70
Time 10.30 a.m. to 1.00 p.m.
Instructions All questions are compulsory.
Figures to the right place indicate full marks.
1. Multiple Choice Questions. 14
MOSFET has input impedance.
Low Very low High Very high
transducers are self generating transducers.
Active passive Both a and b None
RTD is a type transducer.
Negative temp. coefficient Positive temp. coefficient
Neutral None
Oscillator is an electronic device which converts
ac to ac dc to ac
dc to dc None of the above
According to barkhousen criteria loop gain Ab is always keep
to get constant oscillations.
0 None
multivibrator are called free running multivibrator.
Monostable Bistable Astable None
Thermistor is a transducer.
P ressure Light sensitive
Thermal None
The frequency of phase shift oscillator is given by
formula.
1/2πRC√6 1/2πFC√6 1/2πR√6 1/2πC√6
In MOSFET layer is used to increase input resistance.
Semiconductor SIO2 Impurity None
10) The frequency of oscillations remain stable in oscillator.
Crystal Hartley Colpitt None
11) The gate voltage at which drain current cuts-off is called
Cut-in-voltage P inchoff voltage
Offset voltage None
12) If any IC contains components above 1000 then such integration are called
SSI MSI LSI VLSI
13) TTL logic uses power supply
5 V 10 V 3 V 15 V
14) In components mounting is only on one side of PCB.
SMD SMC SMT P TH
2. Answer any seven of the following 14
Give advantages of FET.
Give four measurement characteristics of sensors.
Compare between TTL and MOS family.
What is negative feedback What is positive feedback
What is noise margin
Draw symbol of n-channel and p-channel depletion MOSFET.
Define Oscillator Multivibrator.
What is transducer What are two main types of transducer
Draw diagram of PAL.
3. Answer any two of the following 10
Explain n-channel FET.
Explain Astable Multivibrator using IC 555.
Explain crystal oscillator.
Explain PLA. 4
4. attempt any two of the following 14
Explain Complex Programmable Logical Device (CPLD).
Explain Thermocouple Transducer.
Explain Phase Shift Oscillator.
5. attempt any two of the following 14
Explain SMT and SMD.
Explain pH sensor and IR sensor.
Explain N-channel Enhancement MOSFET.
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