BASIC ELECTRONICS 2nd Exam/ECE/ETV/ECE-II/COMP/CSE/IT/EEE/0664/May’19

 Basic Electronics PSBTE Diploma Solved Paper 0664 May 2019                                             SECTION-A

Q1. Fill in the Blanks ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬†15×1=15

  1. The larger the orbit, the Lower  is the energy of Electrons.

  2. Semiconductor material doped by Pentavalent impurities is termed as n-type Semiconductor.

  3. The point of intersection of DC and AC load line is called Q-Point or Operating Point. 

  4. CMOS stands for Complementary Metal Oxide Semiconductor.

  5. Transistor is a Three terminal semiconductor.

  6. Zener diode is made to operate in Zener Breakdown.

  7. The MOSFET stands for Metal Oxide Semiconductor Field Effect Transistor. 

  8. The process by which an impurity is added to semiconductor is called Doping. 

  9. The potential barrier voltage for Silicon is 0.7 Volt 

  10. The value of resistance of pn junction, when it is forward biased is Low. 

              SECTION-B

Q2. Attempt any five questions.¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† 5×6=30

  1. Explain What do you mean by Zener Breakdown ?

  2. Explain functioning of Half Wave Rectifier ?

  3. Explain working of Transistors as an amplifier ?

  4. What is the need of Stabilization of operating point ?

  5. Explain working of LC Capacitor input filter ?

  6. Explain p- type and n-type semiconductors ?

  7. What is FET ? Explain its working ?

                  SECTION-C

Q3. Attempt any three questions.¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬†3×10=30

  1. With the help of diagram, explain forward and reverse biased PN junction?

  2. Explain Bridge wave rectifier with circuit diagram?

  3. Differentiate between conductors, insulators and semiconductors on the basis of energy levels diagrams?

  4. Explain working of transistor with circuit diagram?

BASIC ELectronics be may 2019 SUBJECT CODE 0064 DIPLOMA PAPER SOLUTION

BASIC ELECTRONICS DIPLOMA MAY 2019 SUBJECT CODE 0664 PAPER

 Basic Electronics PSBTE Diploma Solved Paper 0664 May 2019                                             SECTION-A

Q1. Fill in the Blanks ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬†15×1=15

  1. The larger the orbit, the Lower  is the energy of Electrons.

  2. Semiconductor material doped by Pentavalent impurities is termed as n-type Semiconductor.

  3. The point of intersection of DC and AC load line is called Q-Point or Operating Point. 

  4. CMOS stands for Complementary Metal Oxide Semiconductor.

  5. Transistor is a Three terminal semiconductor.

  6. Zener diode is made to operate in Zener Breakdown.

  7. The MOSFET stands for Metal Oxide Semiconductor Field Effect Transistor. 

  8. The process by which an impurity is added to semiconductor is called Doping. 

  9. The potential barrier voltage for Silicon is 0.7 Volt 

  10. The value of resistance of pn junction, when it is forward biased is Low. 

              SECTION-B

Q2. Attempt any five questions.¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† 5×6=30

  1. Explain What do you mean by Zener Breakdown ?

  2. Explain functioning of Half Wave Rectifier ?

  3. Explain working of Transistors as an amplifier ?

  4. What is the need of Stabilization of operating point ?

  5. Explain working of LC Capacitor input filter ?

  6. Explain p- type and n-type semiconductors ?

  7. What is FET ? Explain its working ?

                  SECTION-C

Q3. Attempt any three questions.¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬†3×10=30

  1. With the help of diagram, explain forward and reverse biased PN junction?

  2. Explain Bridge wave rectifier with circuit diagram?

  3. Differentiate between conductors, insulators and semiconductors on the basis of energy levels diagrams?

  4. Explain working of transistor with circuit diagram?

BASIC ELectronics be may 2019 SUBJECT CODE 0064 DIPLOMA PAPER SOLUTION

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