Basic electrical engineering
Previous year question paper with solutions for Basic electrical engineering May-2016
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Question paper 1
SECTION A
Q.1. Do as directed:
a. The total resistance of two resistors of 10 Ω each connected in parallel is _____________.
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b. Wheatstone bridge is used to measure _______________.
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c. The superposition theorem can be applied only to __________ networks.
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d. An ideal current source has _____________ internal resistance.
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e. In the left hand rule, thumb always represent__________.
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f. Aluminium and platinum are ____________ magnetic materials.
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g. Capacity of a battery is measured in ____________.
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h. Define Electrolyte.
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i. Define Permeability.
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j. The power factor is the ratio of______________.
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k. Nuclear power plant uses process of ____________ for producing electricity.
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l. Solar cell convert_______________ energy into electrical energy.
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m. Tesla is the unit of_______________.
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n. Ohm’s law is valid only for___________ .
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o. Relative permeability of vacuum is__________
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SECTION B
Q.2. Attempt any FIVE Questions:
(i) State and explain Thevenin’s theorem.
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(ii) Show that when a number of resistances are connected in series, the total resistance is equal to sum of individual resistances.
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(iii) Define any THREE
a) M.M.F
b) Flux
c)Reluctance
d) Suscepability
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(iv) Write a note on solar cell.
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(v) Compare AC and DC.
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(vi) Explain the importance of impedance triangle.
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(vii) what do you mean by form and peak factor.
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(viii) Give the main advantages of hydro electric power station.
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(ix) Discuss about primary and secondary cell
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SECTION C
Note: Attempt any THREE
Q3. Explain the construction and working of lead acid battery
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Q4. Define amplitude, time period, frequency, average and r.m.s. value of an ac supply.
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Q5. State and explain kirchhoff’s current and voltage law with examples.
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Q6. Discuss in detail the conversion of delta network into its equivalent star network.
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Q7. What do you mean by self and mutually induced e.m.f.? Also show that K = M/\(\sqrt{L1 L2} \)
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