Basic Electrical Engineering ,Question Paper of BE 1 and 2 Semester,Download Previous Years Question Paper 2

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S.B. Roll No………

BASIC ELECTRICAL ENGINEERING
2nd Exam/ECE/0084/May’11

Time: 3 Hrs.                                                                           Max. Marks: 75

SECTION-A

Q1.    Fill in the blanks:

(i) 100w bulb operates on 220v. It draws current ……….
(ii) Filaments of electric bulbs are generally made of ………..
(iii) The internal resistance of an ideal voltage source is ………
(iv) A passive network is one which contains ………… sources of emf in it.
(v) For maxy, power to transfer, internal resistance of the source should be equal to………
(vi) In constant voltage source output voltage remains same as …… varies.
(vii) The unit of resistivity is ………..
(viii) Copper and silver are ………. Materials.
(x) The ratio of max value to rms value is known as ……….
(xi) A capacitor blocks ………… current.
(xii) In an RCL series circuit, during resonance the ……… will be minium.
(xiii) Q factor of a circuit is given by…………..
(xiv) Inductive reactance XL is given by ………….
(xv) Steam power plant uses…………..

SECTION-B

Note: Attempt any five questions.
Q2.    (i) State and explain Kirchhoffs Voltage Law.
(ii) State Nortan’s theorem.
(iii) Discuss ideal current source.
(iv) Define M.M.F, reluctance.
(v) Explain faraday’s law of electromagnetic induction.
(vi) Explain briefly primary and secondly cells.
(vii) What are the causes and disadvantages of poor power factor.

SECTION-C
Note:           Attempt any three questions.

Q4.    How emf is induced self and mutually?

Q5.    Solve the circuit using Nortan’s theorem

Or

Explain with the help of block diagram the steam power plant.

Q6.    Find the equivalent resistance of the following network

Or
Define the following, with the help of suitable diagram.
- Cycle
- Time period
- Frequency
- Amplitude

- Effective or rms value