Basic electrical engineering
Previous year question paper with solutions for Basic electrical engineering Dec-2016
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Question paper 1
SECTION – A
Q1. Attempt all Questions
1. Units of magnetic flux is ……..
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2. Like poles of magnet ……… each other.
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3. Lead Peroxide is ……….. in colour .
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4. Capacity of the battery is expressed in ………..
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5. Photo-electric cell converts ……… energy into electrical energy.
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6. Frequency of DC is ………..
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7. Peak factor is the ratio of Max. Value to ………..
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8. In RLC series circuit the current drawn by circuit at resonance is ………….
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9. Power factor of RLC series circuit is always ………..
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10. Cooling towers are used in………….
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11. When load is increased it means ………..is increased
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12. The resistance of carbon …………..when temperature is increased .
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13. Superposition theorem can be applied only to …………networks
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14. Kirchhoff’s laws are valid for both ………….circuits
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15. A relay coil is a …………magnat .
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SECTION – B
Q2. Attempt any five Questions
a) State and explain Ohms law
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b) Calculate the new resistances of the wire if its length is double and area is reduce to half.
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c) Explain Norton theorem.
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d) Explain magnetic flux density and its unit.
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e) What are the electric characteristics of batteries?
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f) Define Power factor.
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g) Discuss nuclear power plant in brief.
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SECTION – C
Q3. Attempt any three Questions
(a) Explain Kirchhoff’s Voltage and Current law in details.
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(b) State and Prove Thevenin’s theorem.
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(c) Explain Hysteresis in detail. What is the significance of hysteresis curve?
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(d) Explain RC series circuit in detail with phasor diagram.
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(e) Drive the expression where AC is applied to pure inductance.
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