Karnataka SSLC Model Question Paper 2025 Electronics and Hardware

ACADEMIC YEAR

2025

Karnataka
Board
Model Paper

PÜ®ÝìoPÜ ÍÝÇÝ ±ÜÄàûæ ÊÜáñÜᤠÊÜåèƯ|ì¿á ÊÜáívÜÈ
ÊÜáÇæÉàÍÜÌÃÜí, ¸æíWÜÙÜãÃÜá & 560 003
KARNATAKA SCHOOL EXAMINATION AND ASSESSMENT BOARD
Malleshwaram, Bengaluru – 560 003

2024-25 ÃÜ GÓ….GÓ….GÇ….Ô. ÊÜÞ¨ÜÄ ±ÜÅÍæ°±£
Ü ÅPæ -1
S.S.L.C. MODEL QUESTION PAPER-1 : 2024-25
ËÐÜ¿á GÇæPÝó¯P…Õ & ÖÝv…ìÊæàÃ…
Subject : ELECTRONICS & HARDWARE
PܮܰvÜ ÊÜáñÜᤠBíWÜÉ ÊÜÞ«ÜÂÊÜá / Kannada and English Medium
ËÐÜ¿á ÓÜíPæàñÜ : 22-E K Subject Code : 22-E K
ÓÜÊÜá¿á 2 WÜípæ 15 ¯ËáÐÜWÜÙÜá ] [ Time : 2 Hours 15 Minutes
WÜÄÐÜu AíPÜWÜÙÜá 60 ] [ Max. Marks : 60

±ÜÄàûݦìWÝX ÓÝÊÜޮܠÓÜãaÜ®æWÜÙÜá
General Instructions to the Candidate :
1. D ±ÜÅÍ氱ܣÅPæ¿áá Joár 34 ±ÜÅÍæ°WÜÙÜ®Üá° Öæãí©¨Üáª. »ÝWÜ&A ÊÜáñÜᤠ»ÝWÜ&B WÜÙÜ®Üá° JÙÜWæãíw¨æ.
»ÝWÜ&A ®ÜÈÉ Employability skills Wæ
ÓÜíŸí˜Ô¨Ü ±ÜÅÍæ°WÜÚ¨Üáª, »ÝWÜ&B ®ÜÈÉ GÇæPÝó¯P…Õ &

ÖÝv…ìÊæàÃ…Wæ ÓÜíŸí˜Ô¨Ü ±ÜÅÍæ°WÜÚÃÜáñܤÊæ.
This Question Paper consists of 34 questions including Part-A and Part-B. Part-A
consists of questions related to the Employability skills and Part-B consists of the
questions related to Electronics & Hardware.

2. ±ÜÅÍæ°WÜÚWæ PæãqrÃÜáÊÜ ÓÜãaÜ®æWÜÙÜ®Üá° ±ÝÈÔ.
Follow the instructions given against the questions.

3. ŸÆ »ÝWܨÜÈÉ PæãqrÃÜáÊÜ AíQWÜÙÜá ±ÜÅÍæ°WÜÚXÃÜáÊÜ ±Üä|ì AíPÜWÜÙÜ®Üá° ñæãàÄÓÜáñܤÊæ.
Figures in the right hand margin indicate maximum marks for the question.

4. ±ÜÅÍ氱ܣÅPæ¿á®Üá° K©PæãÙÜÛÆá 15 ¯ËáÐÜWÜÙÜ PÝÇÝÊÜPÝÍÜÊÜâ ÓæàĨÜíñæ, EñܤÄÓÜÆá ¯WÜ©±ÜwÓÜÇݨÜ
ÓÜÊÜá¿áÊÜ®Üá° ±ÜÅÍ氱ܣÅPæ¿á ÊæáàÇݽWܨÜÈÉ ¯àvÜÇÝX¨æ.
The maximum time to answer the paper is given at the top of the question paper. It
includes 15 minutes for reading the question paper.

[ Turn over

22-EK (Level-2) 2

PART - A

I. Four alternatives are given for each of the following questions / incomplete
statements. Choose the correct alternative and write the complete answer
along with its question number and alphabet : 3×1=3
1. Senders send their messages by the action of

(A) Gestures (B) Reading

(C) Speaking (D) Writing

2. Choose the correct example for strength.

(A) Laziness

(B) Confidence

(C) Fear

(D) Difficult to solve mathematical problems

3. Our emotional mental, physical and social reaction to any perceived
demands or threats is known as

(A) Emotion

(B) Stress

(C) Motivation

(D) Confidence

II. Answer the following questions : 2×1=2

4. Give any one advice to protect life below water.

5. What is meant by time management ?

III. Answer the following questions : 2×2=4

6. Write any four qualities of a successful entrepreneur.

7. What measures do you take to protect your data from theft or virus ?

OR

Why is it necessary to back up data ?

IV. Answer the following question : 1×3=3

8. Explain the ways to overcome barriers to effective communication.

22-EK (Level-2) 3

PART - B
V. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ A¥ÜÊÝ A±Üä|ì ÖæàÚPæWÜÚWæ ®ÝÆáR BÁáRWÜÙÜ®Üá° ¯àvÜÇÝX¨æ. AÊÜâWÜÙÜÈÉ ÖæaÜác
ÓÜãPܤÊÝ¨Ü EñܤÃÜ樆 Üá° BÄÔ, A¨ÜÃÜ PÜÅÊÜÞûÜÃܨæãí©Wæ ±Üä|ì EñܤÃÜÊÜ®Üá° ŸÃæÀáÄ 7×1=7

Four alternatives are given for each of the following questions / incomplete

statements. Choose the correct alternative and write the complete answer
along with its question number and alphabet :

9. D PæÙÜX®ÜÊÜâWÜÙÜÈÉ ÓÜQÅ¿á ZoPÜ ¿ÞÊÜâ¨Üá

(A) ±ÜÅ£Ãæãà«ÜPÜ (B) Pæ±ÝÔoÃ…

(C) pÝůÕÓÜrÃ… (D) CívÜPÜrÃ…

Which of the following is an active component ?

(A) Resistor (B) Capacitor

(C) Transistor (D) Inductor

10. ÊæãàoÃ…®ÜÈÉ Íݶ…r A®Üá° ŸÙÜÓÜÇÝWÜáñܤ¨æ. HPæí¨ÜÃæ,

(A) ÓÝPÜÐÜár pÝP…ìA®Üá° Eñݳ©ÓÜáñܤ¨æ ÊÜáñÜᤠ¯ÊÜì×ÓÜáñܤ¨æ

(B) ˨ÜáÂñ…ÍÜQ¤¿á®Üá° ¿Þí£ÅPÜÍÜQ¤¿á®Ý°X ±ÜÄÊÜ£ìÓÜáñܤ¨æ

(C) ¿áíñÜÅ¨Ü ÍÜQ¤¿á®Üá° Jí¨Üá hÝWÜ©í¨Ü ÊÜáñæã¤í¨Üá hÝWÜPæR PÜÚÓÜáñܤ¨æ

(D) ˨ÜáÂñÝRí£à¿á ¿áíñÜŨÜÈÉ PÝí£à¿á ûæàñÜÅÊÜ®Üá° Eñݳ©ÓÜáñܤ¨æ

Shaft is used in a motor because

(A) it produces and maintain sufficient torque

(B) it converts electrical energy into mechanical energy

(C) it transfers the power of the machine from one part to another part

(D) it is used to generate a magnetic field in electromagnetic machine

[ Turn over

22-EK (Level-2) 4

11. EaÜc ÊæäàÇæràh… Çæç®…®æãí©Wæ PæÆÓÜ ÊÜÞvÜáÊÝWÜ PܯÐÜu AíñÜÃÜ

(A) 4 Aw (B) 50 Aw

(C) 10 Aw (D) 20 Aw

While working with high voltage electrical line minimum distance to be
maintained is

(A) 4 feet (B) 50 feet

(C) 10 feet (D) 20 feet

12. D PæÙÜX®Ü »ÝWÜWÜÙÜÈÉ ¿ÞÊÜâ¨Üá ËáPÜÕÃ…®Ü »ÝWÜ BXÃÜáÊÜâ©ÆÉ

(A) ¸æÇ…r (B) ¸æÉàv…

(C) PܱÜÉÃ… (D) ÊæàWÜ ¯¿áíñÜÅ| ÔÌa…

Which of the following is not the part of a mixer ?

(A) Belt (B) Blade

(C) Coupler (D) Speed setting switch

13. ±ÜÊÜÃ… PÝv…ì®ÜÈÉ ¯ÃÜíñÜÃÜñæ¿á®Üá° ±ÜÄÎàÈÓÜÆá ŸÙÜÓáÜ ÊÜ ÓÝ«Ü®Ü

(A) ÊæäàÇ…rËáàoÃ… (B) ÊÝÂp…ËáàoÃ…

(C) ÊÜáÈrËáàoÃ… (D) wÅÆÉÃ…

The device used to check the continuity in a power card is

(A) Voltmeter (B) Wattmeter

(C) Multimeter (D) Driller

14. ÊæáçPæãÅÊæàÊ… KÊÜ®…®Ü JÇæ¿áÈÉ ©à±Ü ¸æÙÜWÜ©¨ÜªÃæ PÝÃÜ|

(A) ¨æãàÐÜ¿ááPܤ ÊÜÞÂWæ°pÝÅ®…

(B) KÊÜ®… ÇÝÂí±… A¥ÜÊÝ ÓÝPæp…®ÜÈÉ ¨æãàÐÜ

(C) ÃæQr¶æç¿áÃ… AÓæí¹É ¨æãàÐÜ

(D) Ga….Ë. Pæ±ÝÔoÃ…®ÜÈÉÃÜáÊÜ ¨æãàÐÜ

22-EK (Level-2) 5

“If oven lamp does not light at all in microwave oven” then the reason is

(A) defective magnetron

(B) defect in oven lamp or socket

(C) fault in rectifier assembly

(D) fault in high voltage capacitor

15. ñÝÂgÂÊÜÓÜá¤WÜÙÜ®Üá° ËÇæàÊÝÄ ÊÜÞvÜáÊÜ ÓÜÄ¿Þ¨Ü ÊÜÞWÜì
(A) ÊÜXàìPÜÄÔ ÊÜáñÜᤠPÜÓÜ¨Ü ñæãqrWæ GÓæÀáÄ
(B) A¨æà ÓܧÙܨÜÇæÉ CÄÔ
(C) H®Ü®Üã° ÊÜÞvܸæàw
(D) ±ÝÉÔrP… PÜÊÜÃ…®ÜÈÉ ÖÝQw

Correct way to dispose the waste material is

(A) classify them and throw it into dust bin

(B) keep it in same place

(C) don’t do anything

(D) keep in plastic cover

VI. ÓÜãPܤÊÝ¨Ü EñܤÃÜ©í¨Ü ¹qrÃÜáÊÜ ÓܧÙÜÊÜ®Üá° »Ü£ì ÊÜÞw 4×1=4

Fill in the blanks with suitable answer.

16. ÊæãàoÃ…, ˨ÜáÂñ…ÍÜQ¤¿á®Üá° .......................... ÍÜQ¤¿á®Ý°X ±ÜÄÊÜ£ìÓÜáñܤ¨æ.
The motor converts electrical energy into ......................... energy.

17. ÊÜÞ®ÜáÂÊÜÇ… ÍæçÈ¿áÈÉ ÖÜ|á¡WÜÚí¨Ü ÃÜÓÜÊÜ®Üá° ñæWæ¿ááÊÜ gãÂÓÜÃ… ................. .
The manual styled juicer used for extracting the juice from fruits is ............ .

18. BEE ¿á ËÓÜõñÜ ÃÜã±Ü ………………… .

BEE stands for ...................... .

19. ÓæãàÇæã ÊæáçPæãÅÊæÊ… KÊÜ®… A®Üá° …………………Wæ ŸÙÜÓÜÇÝWÜáñܤ¨æ.
Solo microwave oven is used for ........................ .

[ Turn over

22-EK (Level-2) 6

VII. 20. A-±Üqr¿áÈÉ ËáPÜÕÃ… / WæùívÜÃ…®Ü »ÝWÜWÜÙÜ®Üá° ÊÜáñÜᤠB-±Üqr¿áÈÉ AÊÜâWÜÙÜ PÝ¿áìWÜÙÜ®Üá°
¯àvÜÇÝX¨æ. AÊÜâWÜÙÜ®Üá° Öæãí©Ô EñܤÃÜWÜÙÜ®Üá° PÜÅÊÜÞûÜÃܨæãvÜ®æ ŸÃæÀáÄ 4×1=4
Descriptions of parts of motor are given in Column-A and their
functions are given in Column-B. Match them and write the answer
with alphabet :
A-±Üqr B-±Üqr
Column-A Column-B

i) hÝÃ… a) hÝÃ…Wæ £ÃÜáWÜáÊÜ aÝÆ®æ¿á®Üá° ¯àvÜáñܤ¨æ
Jar Gives rotating movement to the jar

ii) OLR ÔÌa… b) ¸æÉàv…WÜÙÜ®Üá° Öæãí©ÃÜáÊÜ ±ÝñæÅ
OLR switch Vessel containing blades

iii) µàÇ…x ÊÜáñÜᤠBÊæáàìaÜÃ… c) BÖÝÃÜÊÜ®Üá° ÃÜáŸáºñܤ¨æ
Field and armature Grinds the food

iv) ±ÜÊÜÃ… PæàŸÇ… d) ËáPÜÕÃ…®Ü Æ»ÜÂñæ¿á®Üá° ÓÜãbÓÜáñܤ¨æ
Power cable Indicates the availability of mixer

e) ˨ÜáÂñ…ÍÜQ¤¿á®Üá° J¿ááÂñܤ¨æ
Supplies electricity

f) ˨ÜáÂñܤ®Üá° ÓÜÌ¿áíaÝÈñÜÊÝX PÜwñÜWæãÚÓÜáñܤ¨æ
Cutoff the supply automatically

g) ÊæàWÜÊÜ®Üá° Ÿ¨ÜÇÝÀáÓÜáñܤ¨æ
Varies the speed

VIII. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 4×1=4

Answer the following questions :

21. ˨ÜáÂñ…PÝí£à¿á ±æÅàÃÜOæWæ ÓÜíŸí˜Ô¨Üíñæ ¶ÝÂÃÜvæ¿á Êæã¨ÜÆ®æ ¯¿áÊÜáÊÜ®Üá° ŸÃæÀáÄ.
State Faraday’s first law with respect to electromagnetic induction.

22. gãÂÓÜÃ…®ÜÈÉ HPæ JñÜᤠJÃÜÙÜáWÜÙÜ®Üá° E±ÜÁãàXÓÜÇÝWÜáñܤ¨æ
Why are augers used in juicers ?

23. ËáPÜÕÃ…®ÜÈÉ OLR ÔÌa…®Ü E±ÜÁãàWÜÊæà®Üá
What is the use of OLR switch in a mixer ?

22-EK (Level-2) 7

24. ÊæáçPæãÅÊæàÊ… KÊÜ®…®ÜÈÉ ÊÜÞÂWæ°pÝÅ®…®Ü ñݱÜÊÜÞ®ÜÊÜ®Üá° ÖæàWæ ¯ÊÜì×ÓÜÇÝWÜáñܤ¨æ ËÊÜÄÔ.
How is the temperature of the magnetron maintained in microwave oven ?
Explain.

IX. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 4×2=8
Answer the following questions :

25. ÄÇæà¿á bñÜÅ ŸÃæ¨Üá »ÝWÜWÜÙÜ®Üá° WÜáÃÜá£Ô.
Draw the diagram of Relay and label the parts.

26. ÊæáçPæãÅÊæàÊ… KÊÜ®…®ÜÈÉ ÊæàÊ…Wæçv…®Ü PÝ¿áìWÜÙÜá ¿ÞÊÜâÊÜâ
What are the functions of wave guide in microwave oven ?
27. ËáPÜÕÃ…®Ü ¸æÉàv…WÜÙÜ®Üá° ÓÜÌaÜfWæãÚÓÜáÊÜ Ë«Ý®ÜÊÜ®Üá° ËÊÜÄÔ.

Explain the steps to clean the blade of a mixer.

28. ¯ÊÜìÖÜOæ¿á ÓÜÊÜá¿á¨ÜÈÉ ñæWæ¨ÜáPæãÙÜÛ¸æàPÝ¨Ü ÓÜáÃÜûÜñÝ PÜÅÊÜáWÜÙÜ®Üá° ±ÜqrÊÜÞw.
List the steps for safety during maintenance.
A¥ÜÊÝ /OR
±ÝÂPæàiíW… ñÝÂgÂËÇæàÊÝÄ PÝ¿áìË«Ý®ÜWÜÙÜ®Üá° ±ÜqrÊÜÞw.
List out the packaging of waste disposal procedures.

X. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 3×3=9
Answer the following questions :

29. e&ñÝÂgÂÊÜ®Üá° ÊÝÂTݯÔ. ÊæáçPæãÅÊæàÊ… KÊÜ®…®ÜÈÉÃÜáÊÜ e&ñÝÂgÂWÜÙÝÊÜâÊÜâ

Define e-waste. What are the e-wastes in the microwave oven ?

30. XÅÇ…, ÔrÃÜÃ… ¶Ý®… ÊÜáñÜᤠ¸æãÉÊÜÃ… ¶Ý®…®Ü PÝ¿áìÊÜ®Üá° ËÊÜÄÔ.
Write the functions of grill, stirrer fan and blower fan.

31. PæàŸÇ…®Ü ÊÜXàìPÜÃÜ|ÊÜ®Üá° ŸÃæÀáÄ.
Write the classifications of cable.
A¥ÜÊÝ /OR
ÊæãàpÝÄ®Ü ÊÜXàìPÜÃÜ|ÊÜ®Üá° ŸÃæÀáÄ.
Write the classifications of motor.

[ Turn over

22-EK (Level-2) 8

XI. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 3 × 4 = 12

Answer the following questions :

32. PæÙÜWæ ¯àwÃÜáÊÜ ÊæãàpÝÄ®Ü »ÝWÜWÜÙÜ PÝ¿áìÊÜ®Üá° £ÚÔ

i) ÁãàP…

ii) ÖÜÆáÉ

iii) BÊæáàìaÜÃ…

iv) PÝíñÜ«ÜáÅÊÜWÜÙÜá

Mention the functions of the following motor parts :

i) Yoke

ii) Teeth

iii) Armature

iv) Magnetic poles
A¥ÜÊÝ /OR
ÄÇæà¿á PÝ¿ÞìaÜÃÜOæ¿á®Üá° ËÊÜÄÔ.
Explain the function of relay.

33. ËáPÜÕÃ…®ÜÈÉ ÓÝÊÜÞ®ÜÂÊÝX PÜívÜáŸÃÜáÊÜ ñæãí¨ÜÃæWÜÙÜ®Üá° ±ÜqrÊÜÞw.
List the frequently occurring faults in a mixer.

34. ÊæáçPæãÅÊæàÊ… KÊÜ®…®Ü hæãàvÜOæ¿á PÝ¿áìË«Ý®ÜÊÜ®Üá° ŸÃæÀáÄ.
Write the assembling procedure involved in microwave oven.

A¥ÜÊÝ /OR

ÊæáçPæãÅÊæàÊ… KÊÜ®…®Ü ÊæçÎÐÜréWÜÙÜá ÊÜáñÜᤠPÝ¿áìWÜÙ®Ü Üá° ŸÃæÀáÄ.
Write the functions and features of microwave oven.

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