## BASIC ELECTRONICS 2nd SEM

EXAM/ECE/CSE/IT/EEE/0664/May 2017

** SECTION-A**

**Q1. Do as directed.**** 15×1=15**

- Ohms law will hold good if the
**Temperature**,**Pressure**and**Humidity**Remains Constant. - If 125V is applied across a 250V, 100w bulb, the power consumption will be
- Kirchhoff
^{’}s current law (KCL) is applicable to Linear Circuits. - An ideal current source has
**Infinity**Resistance. - The unit of self inductance is Henry.
- For battery charging
- Peak factor is defined as the Ratio of Maximum Value to R.M.S Value.
- The power consumed in pure capacitive circuit is Zero.
- To improve p.f. of a circuit, a capacitor is connected in Parallel to the load.
- Sun is a

## SECTION-B

**Q2. Attempt any five questions. 5×6=30**

- State and explain Kirchhoff
^{’}s current Law ? - State and explain Thevenin
^{,}s theorem with help of neat Diagram ? - What is constant current source and draw characteristics of an ideal current Source ?
- State and explain Faraday
^{’}s laws of electromagnetic induction ? - Discuss about primary and secondary cells ?
- Compare A.C. and DC.
- What are the causes and disadvantages of poor power factor ?
- Mention six important Advantages of Electrical Energy ?

## SECTION-C

**Q3. Attempt any three questions.**** 3×10=30**

- Mention the similarities and dissimilarities of electric and magnetic circuits.
- What are the various precautions to be observed for obtaining longer life and better efficiency of lead acid battery.
- Define instantaneous value, maximum value, average value and effective value of an alternating quantity. OR
- Find the impedance, current and power factor of the following series circuits and draw the corresponding phasor diagram: (i) R and L (ii) R and C In each case the applied voltage is 100 volts, the frequency is 50 Hz, R=40Ω, L=0.1H,C=20µf.
- Explain the major components of a nuclear power station and draw there on block diagram ?

## BASIC ELECTRICAL ENGINEERING

BEE may 2017 DIPLOMA PAPER SOLUTION

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### Section a FILL IN THE BLANK basic electrical engineering bee paper

An Ohms law will hold good if the ________,______ and _______ Remains Constant.

Temperature ,Pressure and Humidity

If 125V is applied across a 250V, 100w bulb, the power consumption will be

The Kirchhoff’s current law (KCL) is applicable to _____

Linear Circuits

An ideal current source has ____ Resistance

Infinity

Unit of self inductance is _____

Henry

Battery charging supply is _______

DC Supply

A Peak Factor is defined as the Ratio of ______ to ___________.

Maximum Value and R.M.S Value.

The power consumed in pure Capacitive circuit is

Zero

To improve p.f. of a circuit, a capacitor is connected in _____ to the load

Parallel

Sun is a source of ______ energy.

Nuclear

##### JK Engineering Classes BE Paper May 2018 Solution Click Here

### Section B : BEE PAPER MAY 2018 PAPER

Explain Kirchhoff’s current Law ?

Kirchhoff^{’}s current Law Click Here.

State and explain Thevenin,s theorem with help of neat Diagram ?

Thevenin theorem

What is constant current source and draw characteristics of an ideal current Source ?

State and explain Faraday’s laws of electromagnetic induction ?

Faraday Law Click Here

Discuss about primary and secondary cells ?

Solution Click Here

Solution Click Here

What are the causes and disadvantages of poor power factor ?

Poor Power Factor

Six important Advantages of Electrical Energy ?

Advantages of Electrical Energy

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## BASIC ELECTRICAL ENGINEERING BEE DIPLOMA MAY 2018 PAPER

### Section c solved basic electrical engineering may 2017 paper

Explain the similarities and dissimilarities of electric and magnetic circuits.

What are the various precautions to be observed for obtaining longer life and better efficiency of lead acid battery ?

Define instantaneous value, maximum value, average value and effective value of an alternating quantity.

Find the impedance, current and power factor of the following series circuits and draw the corresponding Phasor diagram: (i) R and L (ii) R and C

Explain the major components of a nuclear power station and draw there on block diagram ?

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