Electronics-1 May 2015 3rd Sem Electrical Engineering Diploma Paper

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Electronics-1 May 2015 3RD Sem Electrical Engineering Diploma Paper

SECTION-A

Q1. Fill in the blanks. 10×1.5=15

a) Inductance coil is ________ element.
b) Ripple factor in full wave rectifier is _ .
c) Transistor is an _ switch.
d) An ideal constant voltage source has _ resistance.
e) Three terminals of JFET are _,__ ,_-.
f) A FET has ___ internal impedance.
g) Semi conductors have bonds.
h) R-C coupling has minimum distortion.
i) A capacitor circuit does not to allow to pass _ component.
j) Usually , a zener diode is used as a .
k) The insulators are rated in ohm and _ .
l) The value of knee voltage for germanium diode is volt.
m) The base of the transistor is very doped.
n) The ideal value of stability factor is .
o) The decibal gain is important because it tells with ______ .

SECTION-B

Q2. Attempt any SIX questions. 6×5=30

I. What do you mean by active and passive components?
II. Compare the MOSFET & BJT.
III. What is the filter?
IV. Explain the need of biasing for transistor.
V. Draw JFET as an amplifier.
VI. Differentiate between DC and AC load lines.
VII. Semiconductors has negative cofficient resistance, Why?
VIII. While selecting a diode, the most important consideration is its PIV, why?

SECTION-C

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

I. Explain the working of RC coupled amplifier with the help of neat diagram.
II. With the help of circuit diagram, Explain the function of bridge rectifier.
III. On the basis of conductivity, classify the solids. Explain their behavior on the basis of energy band phenomenon.
IV. What is Zener diode? Draw the equivalent circuit of an ideal zener diode with characterstics.
V. Draw the block diagram of regulated power supply. And explain the function of each block in brief.

Electronics-1 May 2015 3RD Sem Electrical Engineering Solved PSBTE Diploma Paper

SECTION-A

Q1. Fill in the blanks. 10×1.5=15

a) Inductance coil is Passive Linear Circuit element.
b) Ripple factor in full wave rectifier is 0.48 .
c) Transistor is an Electronic switch.
d) An ideal constant voltage source has Zero resistance.
e) Three terminals of JFET are Cathode , Anode, Gate .
f) A FET has Three internal impedance.
g) Semi conductors have Covalent bonds.
h) R-C coupling has minimum Frequency distortion.
i) A capacitor circuit does not to allow to pass dc component.
j) Usually , a zener diode is used as a Voltage Stablizer or Voltage Regulator.
k) The insulators are rated in ohm and Voltage.
l) The value of knee voltage for germanium diode is 0.3 volt.
m) The base of the transistor is very Lightly doped.
n) The ideal value of stability factor is Zero .
o) The decibal gain is important because it tells with Signal Strength .

Electronics-1 May 2015 3RD Sem Electrical Engineer ing Diploma Paper

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Section a Electronics-1 May 2015 3RD Sem Electrical Engineering Diploma Paper

Inductance coil is ______________ element.

Inductance coil is Passive Linear Circuit element.

Ripple factor in full wave rectifier is ___________ .

Ripple factor in full wave rectifier is 0.48 .

Transistor is an _________ switch.

Transistor is an Electronic switch.
d) An ideal constant voltage source has Zero resistance.
e) Three terminals of JFET are Cathode , Anode, Gate .
f) A FET has Three internal impedance.
g) Semi conductors have Covalent bonds.
h) R-C coupling has minimum Frequency distortion.
i) A capacitor circuit does not to allow to pass dc component.
j) Usually , a zener diode is used as a Voltage Stablizer or Voltage Regulator.
k) The insulators are rated in ohm and Voltage.
l) The value of knee voltage for germanium diode is 0.3 volt.
m) The base of the transistor is very Lightly doped.
n) The ideal value of stability factor is Zero .
o) The decibal gain is important because it tells with Signal Strength .

An ideal constant voltage source has _______ resistance. Three terminals of JFET are _______,__________ ,_______-. A FET has ___________ internal impedance. Semi conductors have __________ bonds. R-C coupling has minimum ________ distortion. A capacitor circuit does not to allow to pass _______ component. Usually , a zener diode is used as a ________. The insulators are rated in ohm and ___________ . The value of knee voltage for germanium diode is __________ volt. The base of the transistor is very ______ doped.

The base of the transistor is very ______ doped.

The ideal value of stability factor is ________ . The decibal gain is important because it tells with __________ .

Electronics-1 May 2015 3RD Sem Electrical Engineering Diploma Paper Click Here

Section B :Electronics-1 May 2015 3RD Sem Electrical Engineering Diploma Paper

What do you mean by active and passive components?

Active and passive components.

Compare the MOSFET & BJT.

What is the filter?

Filter.

Explain the need of biasing for transistor.

Need of biasing for transistor.

Draw JFET as an amplifier.

Differentiate between DC and AC load lines.

Comparison between DC and AC load lines.

Semiconductors has negative cofficient resistance, Why?

Semiconductors has negative cofficient resistance

While selecting a diode, the most important consideration is its PIV, why?

Selecting a diode, the most important consideration is its PIV.

Electronics-1 May 2015 3RD Sem Electrical Engineering Diploma Solved Paper Click Here

Electronics-1 May 2015 3RD Sem Electrical Engineer ing Diploma Paper

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Section c :-Electronics-1 May 2015 3RD Sem Electrical Engineering Diploma Paper

Explain the working of RC coupled amplifier with the help of neat diagram.

Working of RC coupled amplifier.

With the help of circuit diagram, Explain the function of bridge rectifier.

Explain the function of bridge rectifier.

On the basis of conductivity, classify the solids.

Basis of conductivity, classify the solids.

Explain Solids,Liquids and Gaseous on the basis of energy band phenomenon.

Energy band Theroy.

What is Zener diode? Draw the equivalent circuit of an ideal zener diode with characterstics.

Zener diode and equivalent circuit of an ideal zener diode with characterstics.

Draw the block diagram of regulated power supply. And explain the function of each block in brief.

Block diagram of regulated power supply.

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