DBATU B.Tech Last 10 Years 2010-2020 Question Papers || Dr. Babasaheb Ambedkar Technological University
DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY
Semester Examination — December 2017
Branch: B. Tech.
Subject with Subject Code: Basic Electrical Engineering [EE104]
Date: 18/ 12 /2017
1. Each question carries 12 marks.
2. Attempt any five questions of the following.
3. Illustrate your answers with neat sketches.
4. If some part or parameter is noticed to be missing, you may assume suitable value and state
Q.1.
(a) Define resistance Rt=R0[1+a0(t-t0)]
where Rt = resistance at temperature t °C
(b) An electric kettle takes 20 minutes to heat 20 liter of water from 20 °C to
100 °C. Calculate the energy consumed by the kettle. Specific
heat capacity of water is 4190 J/kg K. (6M)
(a) For the circuit shown in fig. 1, find the current I. (6M)
Q.3
(a) Define i) RMS value ii) Form factor. (6M)
(b) State and explain Superposition theorem. (6M)
OR
shown in fig. 2. (6M)
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DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY
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LONERE - RAIGAD - 402 103Semester Examination — December 2017
Branch: B. Tech.
Subject with Subject Code: Basic Electrical Engineering [EE104]
Date: 18/ 12 /2017
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Instructions to the Students:1. Each question carries 12 marks.
2. Attempt any five questions of the following.
3. Illustrate your answers with neat sketches.
4. If some part or parameter is noticed to be missing, you may assume suitable value and state
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it clearly.Q.1.
(a) Define resistance Rt=R0[1+a0(t-t0)]
where Rt = resistance at temperature t °C
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t = temperature (6M)(b) An electric kettle takes 20 minutes to heat 20 liter of water from 20 °C to
100 °C. Calculate the energy consumed by the kettle. Specific
heat capacity of water is 4190 J/kg K. (6M)
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Q.2.(a) For the circuit shown in fig. 1, find the current I. (6M)
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Q.3
(a) Define i) RMS value ii) Form factor. (6M)
(b) State and explain Superposition theorem. (6M)
OR
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(b) Find the current through 20O resistance using KVL asshown in fig. 2. (6M)
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