Karnataka SSLC Model Question Paper 2024 Electronics & Hardware

ACADEMIC YEAR

2024

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

2023-24 ÃÜ GÓ….GÓ….GÇ….Ô. ÊÜÞ¨ÜÄ ±ÜÅÍæ°±£
Ü ÅPæ
S.S.L.C. MODEL QUESTION PAPER – 2023-24
ËÐÜ¿á GÇæPÝó¯P…Õ & ÖÝv…ìÊæàÃ…
Subject : ELECTRONICS & HARDWARE
PܮܰvÜ ÊÜáñÜᤠBíWÜÉ ÊÜÞ«ÜÂÊÜá / Kannada and English Medium
ÓÜÊÜá¿á 2 WÜípæ 15 ¯ËáÐÜWÜÙÜá ] ËÐÜ¿á ÓÜíPæàñÜ : 22-E K
WÜÄÐÜu AíPÜWÜÙÜá 60 ] Subject Code : 22-E K
CCE-RF : ÍÝÇÝ Ë¨Ý¦ìWÜÙÜá / Regular Fresh
±ÜÄàûݦìWÝX ÓÝÊÜޮܠÓÜãaÜ®æWÜÙÜá
General Instructions to the Candidate :
1. D ±ÜÅÍ氱ܣÅPæ¿áá Joár 34 ±ÜÅÍæ°WÜÙÜ®Üá° Öæãí©¨æ.
This Question Paper consists of 34 questions.
2. ±ÜÅÍ氱ܣÅPæ¿á®Üá° ×ÊÜáá¾S hÝPæp… ÊÜáãÆPÜ ÊæãÖÜÃÜá ÔàÇ… ÊÜÞvÜÇÝX¨æ. ±ÜÄàûæ
±ÝÅÃÜí»ÜÊÝWÜáÊÜ ÓÜÊÜá¿áPæR ¯ÊÜá¾ ±ÜÅÍ氱ܣÅPæ¿á ŸÆŸ© ±ÝÍÜÌìÊÜ®Üá° PÜñܤÄÔ,
±ÜÅÍ氱ܣÅPæ¿áÈÉ GÇÝÉ ±ÜâoWÜÙÜá CÊæÁáà Gí¨Üá ±ÜÄàüÔPæãÚÛ.
This question paper has been sealed by reverse jacket. You have to cut on the
right side to open the paper at the time of commencement of the examination.
Check whether all the pages of the question paper are intact.
3. ±ÜÅÍæ°WÜÚWæ PæãqrÃÜáÊÜ ÓÜãaÜ®æWÜÙÜ®Üá° ±ÝÈÔ.
Follow the instructions given against the questions.
4. ŸÆ »ÝWܨÜÈÉ PæãqrÃÜáÊÜ AíQWÜÙÜá ±ÜÅÍæ°WÜÚXÃÜáÊÜ ±Üä|ì AíPÜWÜÙÜ®Üá° ñæãàÄÓÜáñܤÊæ.
Figures in the right hand margin indicate maximum marks for the question.
5. ±ÜÅÍ氱ܣÅPæ¿á®Üá° K©PæãÙÜÛÆá 15 ¯ËáÐÜWÜÙÜ PÝÇÝÊÜPÝÍÜÊÜâ ÓæàĨÜíñæ, EñܤÄÓÜÆá
¯WÜ©±ÜwÓÜÇÝ¨Ü 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 CCE RF
I. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ A¥ÜÊÝ A±Üä|ì ÖæàÚPæWÜÚWæ ®ÝÆáR BÁáRWÜÙÜ®Üá° ¯àvÜÇÝX¨æ.
AÊÜâWÜÙÜÈÉ ÖæaÜác ÓÜãPܤÊÝ¨Ü EñܤÃÜÊÜ®Üá° BÄÔ, A¨ÜÃÜ PÜÅÊÜÞûÜÃܨæãí©Wæ ±Üä|ì EñܤÃÜÊÜ®Üá°
ŸÃæÀáÄ 10 × 1 = 10

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 :

1. CÊÜâWÜÙÜÈÉ ÓÜQÅ¿á GÇæPÝó¯P… ZoPÜÊÜ®Üá° WÜáÃÜá£Ô

(A) CívÜPÜrÃ… (B) Ãæãà«ÜPÜ

(C) Pæ±ÝÔoÃ… (D) GÇ….C.w.

Identify the active electronic component in the following :

(A) Inductor (B) Resistor

(C) Capacitor (D) LED

2. Óær¹ÇæçÓÜÃ…®ÜÈÉ ŸÙÜÓÜáÊÜ ÓÜPÜãÂìp… ¸æÅàPÜÃ…

(A) ÄÇæ (B) ¶ÜäÂÓ…

(C) ÊæãàpÝÃ… (D) g®ÜÃæàoÃ…

Circuit breaker used in the stabilizer is

(A) Relay (B) Fuse

(C) Motor (D) Generator

22-EK (Level-2) 3 CCE RF
3. PæÙÜX®ÜÊÜâWÜÙÜÈÉ ¿ÞÊÜâ¨Üá ËáPÜÕÃ…®Ü »ÝWÜÊÜÆÉ

(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

4. ÊÜÞÂÔrPæàqíW… gãÂÓÜÃ…®Ü ±Ü¿Þì¿á ÖæÓÜÃÜá

(A) Êæç®… ±æÅÓ… (B) ÖÝp… ±æÅÓ…

(C) PæãàÇ…x ±æÅÓ…Õ (D) qÌ®… WæàÃ…

The alternate name of masticating juicer is

(A) Wine press (B) Hot press

(C) Cold press (D) Twin gear

5. ÄÇæ ÊÜáívÜƨÜÈÉ PÜwÊæá ZÐÜìOæ ÊÜáñÜᤠÖæaÜác ÓÜãûÜ$¾ñæWæ ŸÙÜÓÜáÊÜ ¸æàÄíW…

(A) gãÂÊæÇ… ¸æàÄíW… (B) ÔíWÜÇ… ¸ÝÇ…

(C) ²Êæäp… ¸ÝÇ… (D) ÊÜáÈr ¸ÝÇ…

[ Turn over

22-EK (Level-2) 4 CCE RF

In a relay circuit, the bearing used for high sensitivity and low

friction is

(A) Jewel bearing (B) Single ball

(C) Pivot ball (D) Multi-ball

6. ÊÜáãÃÜá ÖÜíñÜ ÓÜÃÜŸÃÝgá ÊÜÂÊÜÓ槿á ÊæäàÇæràh…

(A) 230 V (B) 332 V

(C) 415 V (D) 220 V

The voltage of three phase supply system is

(A) 230 V (B) 332 V

(C) 415 V (D) 220 V

7. ÊæáçPæãÅÊæàÊ… KÊÜ®…®Ü ¿ÞÊÜ »ÝWÜÊÜâ ˨ÜáÂñ…ÍÜQ¤¿á®Üá° ÓÜãûÜ$¾ñÜÃÜíWÜWÜÙܮݰX
±ÜÄÊÜ£ìÓÜáñܤ¨æ

(A) o®…ìpæàŸÇ… ÊæãàpÝÃ… (B) ÊæàÊ… Wæçv…

(C) PÝÂËq ÇÝÂí±… (D) ÊÜáÂWæ°pÝÅ®…

Which part of the microwave oven converts electrical energy into

microwaves ?

(A) Turntable motor (B) Wave guide

(C) Cavity lamp (D) Magnetron

22-EK (Level-2) 5 CCE RF

8. ÊæáçPæãÅÊæàÊ…®Ü ÊÜáívÜƨÜÈÉ A˜PÜ ÊæäàÇærh… A®Üá° ñÜv¨
æ ÜáPæãÙÜÛÆá ŸÙÜÓÜáÊÜ ZoPÜ

(A) pÝÅ®…Õ¶ÝÊÜáìÃ… (B) vÜÁãàv…

(C) pÝůÕÓÜrÃ… (D) ©à±Ü

To withstand high voltage in a microwave circuit, the the

component is

(A) Transformer (B) Diode

(C) Transistor (D) Lamp

9. A˜PÜ ÊæäàÇæràh… CÃÜáÊÜ GÇæQóPÜÇ… Çæç®…®æãí©Wæ PæÆÓÜ ÊÜÞvÜáÊÝWÜ
PÝ¿ááªPæãÙÜÛ¸æàPÝ¨Ü PܯÐÜu AíñÜÃÜ

(A) 4 Aw (B) 50 Aw

(C) 10 Aw (D) 20 Aw

While working with high voltage electrical lines minimum distance

to be maintained is

(A) 4 feet (B) 50 feet

(C) 10 feet (D) 20 feet

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22-EK (Level-2) 6 CCE RF
10. ÊæáçPæãÅÊæàÊ… KÊÜ®…®ÜÈÉ ¸æãÉÊÜÃ… ¶Ý®…®Ü PæÆÓÜ
(A) EÐÜ¡ñæ ¯¿áí£ÅÓÜáÊÜâ¨Üá
(B) EÐÜ¡ñæ ÖæbcÓÜáÊÜâ¨Üá
(C) EÐÜ¡ñæ PÜwÊæáWæãÚÓÜáÊÜâ¨Üá
(D) EÐÜ¡ ¹vÜáWÜvæ ÊÜÞvÜáÊÜâ¨Üá

The use of blower fan in microwave oven is to

(A) maintain the temperature

(B) increase the temperature

(C) decrease the temperature

(D) release the heat

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

Fill in the blanks with suitable answer.
11. ±ÜÄÊÜñÜìPÜÊÜâ .......................... A®Üá° ÊÜÞÂWæ°pÝÅ®…Wæ ±ÜäÃæçÓÜáñܤ¨æ.
Transformer supplies ......................... to the magnetron.
12. 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 ........................ .
13. ÊæáçPæãÅÊæàÊ… KÊÜ®… ©®ÜPæR WÜÄÐÜu ………………… WÜípæWÜÙÜ PÝÆ PæÆÓÜ
ÊÜÞvÜáÊÜíñæ Ë®ÝÂÓÜ ÊÜÞvÜÇÝX¨æ.
Microwave oven is designed to work for almost ......................
hours per day.
14. oãŸáWÜÙÜá ………………… Äࣿá ñÝÂgÂ.
Tubes are ........................ type of waste.

22-EK (Level-2) 7 CCE RF
III. 15. A-±Üqr¿áÈÉ ËáPÜÕÃ…®Ü »ÝWÜWÜÙÜá ËÊÜÃÜOæ ÊÜáñÜᤠB-±Üqr¿áÈÉ AÊÜâWÜÙÜ PÝ¿áìWÜÙÜ®Üá°
¯àvÜÇÝX¨æ. AÊÜâWÜÙÜ®Üá° Öæãí©Ô EñܤÃÜWÜÙÜ®Üá° PÜÅÊÜÞûÜÃܨæãvÜ®æ ŸÃæÀáÄ
4×1=4
Parts of the mixer are given in Column-A and their functions
are given in Column-B. Match them and write answers 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) KÊÜÃ… Çæãàv… ÔÌa… b) ¸æÉàv…WÜÙÜ®Üá° Öæãí©ÃÜáÊÜ ±ÝñæÅ
Overload switch Vessel containing blades

iii) µàÇ…x ÊÜáñÜᤠBÊæáàìaÜÃ… c) BÖÝÃÜÊÜ®Üá° ÃÜ៺ñܤ¨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 a mixer

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

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

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

IV. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 6×1=6

Answer the following questions :

16. ÊæáçPæãÅÊæàÊ… KÊÜ®…®Ü ÊÜÞ¨ÜÄWÜÙÜ®Üá° ŸÃæÀáÄ.
List the models of microwave oven.

[ Turn over

22-EK (Level-2) 8 CCE RF
17. pÝÂPæãËáàoÃ…®Ü E±ÜÁãàWÜÊæà®Üá
What is the use of tachometer ?

18. ÊæáçPæãÅÊæàÊ…®ÜÈÉÃÜáÊÜ ÔrÃÜÃ… ¶Ý®…®Ü PæÆÓÜÊæà®Üá

What is the function of stirrer fan in a microwave oven ?

19. PÜÙܱæ ÊæçÄíW… ÊÜÞw¨ÜÃæ H®ÝWÜŸÖÜá¨Üá

What happens if the wiring is poor ?

20. ÓÜPÜãÂìp… ¸æÅàPÜÃ…®Ü E±ÜÁãàWÜÊÜ®Üá° ŸÃæÀáÄ.

Write the use of circuit breaker.

21. ÊæáçPæãÅÊæàÊ… KÊÜ®…®Ü ¿ÞÊÜ »ÝWÜÊÜ®Üá° AvÜáWæ QÅÁá¿á®Üá° ®æãàwPæãÙÜÛÆá
ŸÙÜÓÜÇÝWÜáñܤ¨æ

Which part of the microwave oven is used to monitor the cooking
process ?

V. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 6 × 2 = 12

Answer the following questions :

22. ¶ÜäÂÓ… Gí¨ÜÃæà®Üá ¶ÜäÂÓ…®Ü Ë«ÜWÜÙÜ®Üá° ŸÃæÀáÄ.
What is a fuse ? Write the types of fuse.

A¥ÜÊÝ /OR

¶ÝÂÃÜvæ¿á GÃÜvÜá ¯¿áÊÜáWÜÙÜ®Üá° ŸÃæÀáÄ.

Write the two laws of Faraday.

22-EK (Level-2) 9 CCE RF

23. ÊæàÊ… ÊæçíwíW…®Ü bñÜÅÊÜ®Üá° ŸÃæÀáÄ.
Draw the diagram of wave winding.

24. ËáPÜÕÃ…®Ü ¿ÞÊÜâ¨Ý¨ÜÃÜã ®ÝÆáR ZoPÜWÜÙÜ®Üá° ŸÃæÀáÄ.
Write any four components of the mixer.

A¥ÜÊÝ /OR
gãÂÓÜÃ…®Ü ZoPÜWÜÙÜ®Üá° ÖæÓÜÄÔ.
Name the components of juicer.

25. ËáPÜÕÃ… hÝÃ…WÜÙÜ ©àZìPÝÆ ¸ÝÚPæWÝX ñæWæ¨ÜáPæãÙÜÛ¸æàPÝ¨Ü ÊÜááíhÝWÜÅñÝ
PÜÅÊÜáWÜÙÝÊÜâÊÜâ
What are the precautions to be taken to maintain the jar for long
term ?

26. GÇæPÝó¯P… E±ÜPÜÃÜ|WÜÙÜ®Üá° Óݧ²ÓÜáÊÝWÜ A®ÜáÓÜÄÓܸæàPÝ¨Ü PÜÅÊÜáWÜÙÝÊÜâÊÜâ
What are the steps to be followed while installing electronic
devices ?

27. ÊæáçPæãÅÊæàÊ… KÊÜ®…®Ü ÓÝr±… / QÉ¿áÃ… Ÿo®…®Ü®Üá° J£¤¨ÝWÜÆá C¨Üá
±ÜÅ£QÅÀáÓÜᣤÆÉ C¨ÜPæR PÝÃÜ|ÊÜ®Üá° ŸÃæÀáÄ.
What are the reasons for no response even after pressing stop /
clear button in a microwave oven ?

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

Answer the following questions :
28. ˨ÜáÂñ…PÝí£à¿á ±æÅàÃÜOæ Gí¨ÜÃæà®Üá D ±ÜÅÁãàWÜÊÜ®Üá° ñæãàÄÓÜáÊÜ bñÜÅÊÜ®Üá°
ŸÃæÀáÄ.
What is electromagnetic induction ? Draw the diagram showing
this experiment.

[ Turn over

22-EK (Level-2) 10 CCE RF
29. ËáPÜÕÃ… Gí¨ÜÃæà®Üá A¨ÜÃÜ hÝÃÜ®Üá° ÓÜÌaÜfWæãÚÓÜáÊÜ Ë«Ý®ÜÊÜ®Üá° ŸÃæÀáÄ.
What is mixer ? Write the cleaning process of the jar of a mixer.

A¥ÜÊÝ /OR

ËáPÜÕÃ…®Ü ¸æÉàv… ÊÜáñÜᤠÊÜáãÆ ZoPÜÊÜ®Üá° ÓÜÌaÜfWæãÚÓÜáÊÜ Ë«Ý®ÜÊÜ®Üá° ŸÃæÀáÄ.
Write the cleaning procedure of blade and base unit of the mixer.

30. ÊæáçPæãÅÊæàÊ… KÊÜ®…®Ü PæÙÜX®Ü »ÝWÜWÜÙÜ PÝ¿ÞìaÜÃÜOæ¿á®Üá° ŸÃæÀáÄ
i) CíoÃ…ÇÝP…
ii) A˜PÜ ÊæäÇæràh… vÜÁãv…
iii) A˜PÜ ÊæäÇæràh… pÝÅ®…Õ¶ÝÊÜáìÃ…
Write the functions of the following parts of the microwave oven :

i) Interlock

ii) High voltage diode

iii) High voltage transformer.

31. A˜PÜ ÊæäÇæràh… Pæ±ÝÔoÃ…®ÜÈÉ ¨æãàÐÜËÃÜáÊÜ PÝÃÜ| ÊæáçPæãÅÊæàÊ… KÊÜ®…
±Ü¨Ý¥ÜìWÜÙÜ®Üá° ¹ÔÊÜÞvÜᣤÆÉ C¨Ü®Üá° ÖæàWæ ±ÜÄÎàÈÔ, Ÿ¨ÜÇÝÀáÓÜáËÄ
ËÊÜÄÔ.
Microwave oven is not heating food due to problem in high voltage
capacitor. How do you check and replace it ? Explain.

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

Answer the following questions :
32. PæÙÜX®Ü ÊæãàpÝÃ… »ÝWÜWÜÙÜ PÝ¿áìÊÜ®Üá° ËÊÜÄÔ
i) ¿ÞP…
ii) BÊæáàìaÜÃ…

22-EK (Level-2) 11 CCE RF
iii) ÖÜÆáÉWÜÙÜá
iv) ÓÝÉp…
Mention the functions of the following parts of motor :

i) Yoke

ii) Armature

iii) Teeth

iv) Slot

A¥ÜÊÝ /OR

ÄÇæà¿á PÝ¿ÞìaÜÃÜOæ¿á ñÜñÜÌÊÜ®Üá° ËÊÜÄÔ.
Explain the working principle of relay.

33. Êæp… WæùívÜÃ…®Ü bñÜÅÊÜ®Üá° ŸÃæ¨Üá, ¿ÞÊÜâ¨Ý¨ÜÃÜã GÃÜvÜá »ÝWÜWÜÙ®Ü Üá° WÜáÃÜá£Ô.
Draw the diagram of wet grinder and mention any two parts.

34. ÊæáçPæãÅÊæàÊ… KÊÜ®…®Ü®Üá° ÓÜÌaÜfWæãÚÓÜáÊÜ ÊÜáñÜᤠ¯ÊÜì×ÓÜáÊÜ Ë«Ý®ÜÊÜ®Üá° ±Üqr
ÊÜÞw.
List the procedures to be followed for cleaning and maintenance of
microwave oven.

A¥ÜÊÝ /OR

ÊæáçPæãÅÊæàÊ… KÊÜ®…Wæ A®Üá° hæãàwÓÜáÊÜ Ë«Ý®Ü樆 Üá° ŸÃæÀáÄ.
Write the steps to assemble the microwave oven.

[ Turn over

22-EK (Level-2) 12 CCE RF