TN 11th Question Paper 2026 Basic Electrical Engineering

FOR TN 11TH EXAM PREPARATION

TN 11th 2026
Question Paper · Basic
Electrical Engineering
EXAM YEAR TYPE SUBJECT

TN 11th 2026 Question Paper Basic Electrical Engineering

Notes · Sample Papers · Previous Year Papers · Mock Tests

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No. of Printed Pages : 7
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!9182IstYearBasicElectricalEngineering! £vÄ Gs
Register Number

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Part III — Vocational Subjects

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BASIC ELECTRICAL ENGINEERING - THEORY

( / Tamil & English Version )

Põ» AÍÄ : 3.00 ©o ÷|µ® ] [ ö©õzu ©v¨ö£sPÒ : 90

Time Allowed : 3.00 Hours ] [ Maximum Marks : 90

AÔÄøµPÒ : (1) AøÚzx ÂÚõUPЮ \›¯õP £vÁõQ EÒÍuõ GߣuøÚ \›£õºzxU
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Instructions : (1) Check the question paper for fairness of printing. If there is any lack of fairness,

inform the Hall Supervisor immediately.

(2) Use Blue or Black ink to write and underline and pencil to draw diagrams.

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Note : (i) Answer all the questions.

(ii) Choose the most appropriate answer from the given four alternatives and write

the option code and the corresponding answer.

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1. G»UmµõÛß \õºä . __________

(A) ÷|º ªßÞmh® ©ØÖ® Gvº ªßÞmh®
(B) ÷|º ªßÞmh®
(C) ªßÞmh® AØÓx
(D) Gvº ªßÞmh®
The charge of an electron is __________.

(a) Positive and Negative

(b) Positive

(c) No Charge

(d) Negative

2. Gx |À» Phzv ?
(A) uõªµ® (B) u[P® (C) A¾ªÛ¯® (D) öÁÒÎ
Which is the best Conductor ?

(a) Copper (b) Gold (c) Aluminium (d) Silver

3. Pmk¨£õmk ›÷»Âß £¯ß£õk GßÚ ?
(A) Bß/B¨ ö\´¯
(B) {ø»¯õÚ ªßÚÊzuzøu £µõ©›UP
(C) Â{÷¯õPzøu Pmk¨£kzu
(D) ªßÚÊzu ÃÌa]ø¯z uºUP
What is the use of Control relay ?

(a) To turn ON/OFF

(b) To maintain static voltage

(c) To control the supply

(d) To avoid voltage drops

4. {»UP]Ä xsi¨£õß G¢u C¸ £SvPÐUS Cøh÷¯ CønUP¨£kQÓx ?
(A) Phzv&{» Cøn¨¦ (B) Phzv&Phzv
(C) {» Cøn¨¦&{» Cøn¨¦ (D) Phzv&EhØ£Sv
The earth leakage circuit breaker connects which two parts ?

(a) Conductor - Earth (b) Conductor - Conductor

(c) Earth - Earth (d) Conductor - Body

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 2 of 8

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5. L¤Íª[Qß ChUøP Âv¨£i Pmøhµ»õÚx __________ I SÔUS®.
(A) Phzv |P¸® vø\
(B) E¸ÁõUP¨£mh ªß÷Úõmhzvß vø\
(C) E¸ÁõUP¨£mh ªßÚÊzuzvß vø\
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In Fleming’s Left hand rule, thumb represents :
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(a) Direction of motion of the conductor

(b)
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Direction of generated current

(c) Direction of generated voltage

(d) Direction of magnetic field

6. E»ºÁøP ªßP»zvÀ Põº£ß usk BÚx __________ ªßÁõ´ BS®.
(A) {ø» (B) ÷|º (C) {³mµÀ (D) Gvº
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In dry cell, Carbon rod is __________ electrode.

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(a) Phase (b) Positive

s e (c) Neutral (d) Negative

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(A) \› ö\´¯¨£mhx (B) ©õÓUTi¯x
(C) {ø»¯õÚx (D) ©õØÓ •i¯õx
A variable resistor value is :

(a) Fixed (b) Adjustable

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(c) Constant (d) Not-adjustable

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The unit of Inductance :

(a) Farad (b) Henry

(c) Ohm (d) Hertz

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9. Pß\º÷Ámhº Gߣx :
(A) ªß©õØÔ°ß {» Cøn¨¦ Aø©¨¦
(B) ªß©õØÔ°ß •ußø© öuõmi
(C) S娣kzx® \õuÚ®
(D) ªß©õØÔ°ß £õxPõ¨¦a \õuÚ®
Conservator is a :

(a) Earthing system of transformer

(b) Main tank of transformer

(c) Cooling device

(d) Protective device of transformer

10. ªß AÚÀ öµõmi Áõmk°À J÷µ \©¯zvÀ GzuøÚ öµõmiz xskPÒ
Áõmh¨£kQÓx ?
(A) 4 (B) (C) 2 (D) 5 3

How many bread slices are toasted simultaneously in a bread toaster ?

(a) 4 (b) 2 (c) 5 (d) 3

11. öÁ¨£ {ø»¨¤¯õÚx öÁ¨£a \õuÚ[PÎÀ __________ Cøn¨¤À
CønUP¨£kQÓx.
(A) öuõhº ©ØÖ® £UP (B) öuõhº
(C) {» (D) £UP
In heating appliances, thermostat is connected in __________.

(a) Series-Parallel (b) Series

(c) Earth (d) Parallel

12. ¦øP ©ØÖ® y_UPõØøÓ öÁÎ÷¯ØÓ EuÄ® ªßÂ]Ô :
(A) uõ[Q SÇõ´ ªßÂ]Ô (B) Tøµ ªßÂ]Ô
(C) öÁΨ¦Ó® uÒЮ ªßÂ]Ô (D) ÷©ø\ ªßÂ]Ô
Which type of fan is used to release smoke and dust ?

(a) Pedestal fan (b) Ceiling fan

(c) Exhaust fan (d) Table fan

13. ªßP»UQ Gߣx :
(A) C¯¢vµ \õuÚ®
(B) {ø»¯õÚ \õuÚ®
(C) {ø»¯ØÓ \õuÚ®
(D) GÎvÀ Gkzxa ö\À»UTi¯ ©ØÖ® ö\[Szx {ø»°À C¯UP¨£kQÓx
An electric mixer is a :

(a) Mechanical appliance

(b) Static appliance

(c) Unstable appliance

(d) Portable and operated only in vertical position

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 4 of 8

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14. ÁøP AµøÁ C¯¢vµzvØS ªß \¨øÍ ÷uøÁ¨£hõx.
__________

(A) £øǯ Põ» •øÓ¨£i PØPÒ öPõsk AøµUS® AµøÁ C¯¢vµ®
(B) ÷h¦Òhõ¨ Dµ ÁøP AµøÁ C¯¢vµ®
(C) \õ´zx ©õÄ ö£Ö® Dµ ÁøP AµøÁ C¯¢vµ®
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(D) ÁoP E£÷¯õPzvØPõP £¯ß£k® AµøÁ C¯¢vµ®
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__________ type of grinder does not require electric supply.

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Table-top wet grinder
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(c) a
Tilting table-top wet grinder

(d) Commercial wet grinder

15. Pmk¨£kzv°ß ö\¯À£õk :
(A) C¯UQPøÍ Pmk¨£kzxQÓx.
(B) ÷ÁPzøu²®, •kUPzøu²® Pmk¨£kzxQÓx.
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(C) G›ö£õ¸Ò AÍøÁ Pmk¨£kzxQÓx.
(D) _ÇØ]°ß vø\ø¯ Pmk¨£kzxQÓx.
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What is the function of a Controller ?

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(a) To control the drives.
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(b) To control speed and acceleration.

(c) To control the fuel consumption.

(d) To control the direction of rotation.

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28

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Note :

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Question No. 28 is Compulsory.

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Write the classification of electric circuits according to connection method.

18. ªß Avºa] GÆÁõÖ HØ£kQÓx ?
How electrical shock occurs ?

[ v¸¨¦P / Turn over

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19. L¤Íª[Qß Á»UøP Âvø¯U TÖP.
State Fleming’s Right hand rule.

20. L£õµ÷h°ß ªßPõ¢u yshÀ ÂvPøÍU TÖP.
State Faraday’s laws of electromagnetic induction.

21. y¯ ªß\õµ ÁõPÚ[PÎß |ßø©PÒ ¯õøÁ ?
What are the benefits of pure electric vehicles ?

22. Ea\UPõµoø¯ Áøµ¯ÖUPÄ®.
Define the Peak Factor.

23. E¯ºzx® ÁøP ªß©õØÔ GßÓõÀ GßÚ ?
What is meant by Step-up Transformer ?

24. ªß÷u´¨¦ ö£mi°ß ÁøPPøÍU TÖP.
State the types of electric iron box.

25. Tøµ ªßÂ]Ô°ß •UQ¯ £õP[PÒ ¯õøÁ ?
List out the parts of a ceiling fan.

26. £À÷ÁÖ ÁøP¯õÚ \õÖ ¤È P¸ÂPÎß ÁøPPÒ ¯õøÁ ?
What are the different types of electric juicer ?

27. C¯UQPÎß C¯UQ GßÓõÀ GßÚ ?
What is Drive Train ?

28. PõŸ¯ Aª» ªßP»zvß uPkPÒ £ØÔU TÖP.
State plates of Lead acid battery.

£Sv & III / PART - III

SÔ¨¦ : GøÁ÷¯Ý® I¢x ÂÚõUPÐUS ©mk® Âøh¯ÎUPÄ®. AÁØÔÀ ÂÚõ
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35

Note : Answer any five questions. Question No. 35 is compulsory. 5x5=25

29. x¸zv GßÓõÀ GßÚ ? Auß ÁøPPÒ ¯õøÁ ?
What is an impeller ? Write its types.

30. ªßysh¼ß ÁøPPøÍ £ØÔ _¸UP©õP GÊxP.
Write short notes on types of induction.

31. ¼zv¯® A¯Û ªßP»zvß |ßø©PÒ £ØÔ TÖP.
State the advantages of Lithium ion battery.

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32. ªßuøh ©mk® öPõsh ©õÖvø\ ªß_ØøÓ ÂÁ›.
Explain AC circuits with resistance only.

33. JØøÓa_¸Ò ªß©õØÔø¯ ÂÁ›.
Explain about auto-transformer.

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34. Põ¤ ö£ºS÷»mhº Aø©¨¦ £h® Áøµ¢x ÂÁ›.
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Draw and explain the construction of coffee perculator.

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35. ‰ßÖ ªßuøhPÒ
s e 2Ω, 3Ω, 6Ω Cøn¯õP CønUP¨£mk ªß÷Úõmh®
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6Amp

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ÁÇ[P¨£kQÓx GÛÀ,
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(A) ö©õzu (B) ªßÚÊzuzvß ©v¨ø£U PshԯĮ
Three resistors 2Ω, 3Ω, and 6Ω are connected in parallel. The current flow of the circuit is

6Amp.

(a) Find the value of total resistance. (b) Find the value of Voltage.

£Sv & IV / PART - IV

SÔ¨¦ : AøÚzx ÂÚõUPÐUS® Âøh¯ÎUPÄ®. ÷uøÁ¯õÚ Ch[PÎÀ £h®
ÁøµP.
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Note : Answer all the following questions. Draw diagrams wherever necessary. 2x10=20

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36. (A) w Aøn¨¦U P¸Â ÁøPPÎß

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(B) PõŸ¯ Aª» ªßP»zvÀ ªß÷ÚØÓ® ö\´²® •øÓø¯¨ £hzxhß ÂÁ›.
(a) Explain the types of fire extinguisher operating methods and precautions.

OR

(b) Explain the changes during charging in Lead-acid battery with diagram.

37. (A) }µõ ªß÷u´¨¦ ö£mi°ß Aø©¨¦ ©ØÖ® ö\¯À£k® Âuzøu
£hzxhß ÂÍUSP.
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(B) ÷©À vÓ¨¦ \»øÁ C¯¢vµzvß Aø©¨¦ ©ØÖ® ö\¯À£k® Âuzøu
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(a) Draw and explain the construction and working principle of an electric steam iron

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a OR

(b) Draw and explain the construction and working principle of top loading washing

machine.

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