Download VTU B-Tech/B.E 2019 June-July 1st And 2nd Semester 18 Scheme 8ELE13 Basic Electrical Engineering Question Paper

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18ELE13

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First Semester B.E. Degree Examination, Dec.2018/Jan.2019

Basic Electrical Engineering

Time: 3 hrs.

Max. Marks: 100

Note: Answer FIVE full questions, choosing ONE full question from each module.

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Module-1

1. a. State and explain Kirchhoff s laws as applied to an electric circuit. (06 Marks)
2. b. Given the network shown in Fig_ Q1 (b), determine E, I3 and I. If voltage across 9 O resistor is 27 V. (08 Marks)
   
3. c. Derive the equation for root -mean-square value of an alternating current in terms of maximum value. (06 Marks)

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OR

1. a. Define the (i) Frequency (ii) Form factor & (iii) Peak factor of sinusoidally varying voltage. (06 Marks)
2. b. The instantaneous values of two alternating voltages are represented respectively by V1 = 60 sin ? volts and V2 = 40 sin (? - 30°) volts. Derive an expression for instantaneous value of : (i) the sum (ii) the difference of these voltages. (08 Marks)
3. c. For the network shown in Fig. Q2, calculate the power consumed by each resistor. (06 Marks)

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