Karnataka SSLC Mid Term Question Paper 2025 Electronics and Hardware

Government of Karnataka
Karnataka Secondary Education Examination Board

Question Papers
Mid Term

PÜ®ÝìoPÜ ÍÝÇÝ ±ÜÄàûæ ÊÜáñÜᤠÊÜåèƯ|ì¿á ÊÜáívÜÈ
6 ®æà AvÜxÃÜÓæ¤, ÊÜáÇæÉàÍÜÌÃÜí, ¸æíWÜÙÜãÃÜá & 560 003
KARNATAKA SCHOOL EXAMINATION AND ASSESSMENT BOARD
6th Cross, Malleshwaram, Bengaluru – 560 003
2025-26 ®æà ÓÝ騆 GÓ….GÓ….GÇ….Ô. A«ÜìÊÝÑìPÜ ±ÜÄàûæ
S.S.L.C. MID-TERM EXAMINATION FOR THE YEAR – 2025-26
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
©®ÝíPÜ : 17. 09. 2025 ] [ Date : 17. 09. 2025
ÓÜÊÜá¿á ¸æÙÜWæY 10-30 Äí¨Ü ÊÜá«ÝÂÖÜ° 12-45 ÃÜÊÜÃæWæ ] [ Time : 10-30 A.M. to 12-45 P.M.
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©¨æ.
This Question Paper consists of 34 questions.
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.
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. You need to apply for leave at work. Which method of communication will you use ?
(A) E-mail (B) Poster
(C) Newsletter (D) Blog
2. An example of Oral Communication is
(A) Letter (B) E-mail
(C) Phone call (D) Newspaper
3. This makes you complete your work or studies without others cheering you. This is
(A) Self-esteem (B) Self-motivation
(C) Communication (D) Self-confidence
II. Answer the following questions : 2×1=2
4. What is verbal communication ?
5. Define stress.
III. Answer the following questions : 2×2=4
6. Explain physical barrier to effective communication.
OR
Explain Linguistic barriers to effective communication.
7. How do you practise the effective time management ?
IV. Answer the following question : 1×3=3
8. Explain the elements of communication with flowchart.

MID/T-25-26/52 [ Turn over

22-EK (Level-2) 2
»ÝWÜ - B / PART - B
V. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ A¥ÜÊÝ A±Üä|ì ÖæàÚPæWÜÚWæ ®ÝÆáR BÁáRWÜÙÜ®Üá° ¯àvÜÇÝX¨æ. AÊÜâWÜÙÜÈÉ ÖæaÜác ÓÜãPܤÊݨÜ
EñܤÃÜÊÜ®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. Jí¨Üá ÄÇæà¿áÈÉ ÔíWÜÇ… ¸ÝÇ… ¸æàÄíW… A¬Üá® E¯ÜÁãàXÓÜáÊÜâ¨Üá
(A) ÖæaÜác ÓÜãûÜ$¾ñæ ÊÜáñÜᤠPÜwÊæá ZÐÜìOæWÝX (B) PÜwÊæá ÓÜãûÜ$¾ñæ ÊÜáñÜᤠÖæaÜác ZÐÜìOæWÝX
(C) ÖæaÜác ÓÜãûÜ$¾ñæ ÊÜáñÜᤠÖæaÜác ZÐÜìOæWÝX (D) PÜwÊæá ÓÜãûÜ$¾ñæ ÊÜáñÜᤠPÜwÊæá ZÐÜìOæWÝX
In a relay, single ball bearing is used for
(A) High sensitivity and low friction (B) Low sensitivity and high friction
(C) High sensitivity and high friction (D) Low sensitivity and low friction
10. R.P.M. ®Ü ËÓÜõñÜ ÃÜã±Ü
(A) ÄÊÝÇ…Ì ±ÜÃ… Ëá®Üp… (B) ÃæãpæàÐÜ®… ±ÜÃ… ËáÈ¿á®…
(C) ÃæÊæÆãÂÐÜ®… ±ÜÃ… Ëá®Üp… (D) ÃæãpæàÐÜ®… ±ÜÃ… ËáàoÃ…
R.P.M. stands for
(A) Revolve Per Minute (B) Rotation Per million
(C) Revolution Per Minute (D) Rotation Per Metre
11. CÊÜâWÜÙÜÈÉ Jí¨Üá ˨ÜáÂñ… ¿Þí£ÅPÜ ZoPÜ
(A) ˨ÜáÂñ… ±ÜÄÊÜñÜìPÜ (B) CívÜPÜrÃ… (C) GÇ….C.w (D) ÊæãàpÝÃÜá
An electromechanical component in the following is
(A) Transformer (B) Inductor (C) L. E. D. (D) Motor
12. AÊÜÚ WæàÃ… A¬Üá® Öæãí©ÃÜáÊÜ gãÂÓÜÃ…¬Ü ÊÜÞvæÇ…
(A) ÊÜÞÂÔrPæàqíW… gãÂÓÜÃ… (B) gãÂÔíW… ±æÅÓ…
(C) qÅoáÃæàqíW… gãÂÓÜÃ… (D) ÄàÊÜáÃ…
The model of the Juicer which has twin gear is
(A) Masticating Juicer (B) Juicing Press (C) Triturating Juicer (D) Reamer
13. ­«Ý¬ÜÊÝX aÜÈÓÜáÊÜ £ÃÜáWÜá Íݶ…r A¬Üá® ¯Üñæ¤ ÊÜÞvÜáÊÜâ¨Üá
(A) ¸æÉàv… (B) ZSS (C) OLR (D) ÊÜáÈrËáàoÃ…
Slow movement of a rotating shaft is sensed by
(A) Blade (B) ZSS (C) OLR (D) Multimeter
14. CÊÜâWÜÙÜÈÉ WæùívÜÃ…¬Ü Jí¨Üá ÊÜÞvæÇ…
(A) pæÈríW… ÊÜÞvæÇ… (B) Pæàí¨ÝűÜWÝËá (C) ÓÝÈv… ÓÜÓæ³®ÜÒ®… (D) ÈQÌv… ËÐÜÇ…Õ
One of the models of grinder in the following is
(A) Tilting Model (B) Centrifugal (C) Solid suspension (D) Liquid whistles
15. ­ÊÜá¾ ËáPÜÕÃ… hÝÃܬÜá® ÓÜÌafÜ WæãÚÓÜáÊÜâ¨ÜÃÜ E¨æªàÍÜ
(A) ËáPÜÕÃ… ÖÝÙÝWÜáÊÜâ¨Ü®Üá° ñܲ³ÓÜÆá (B) Pæor ÊÝÓÜ®æ¿á®Üá° ñܲ³ÓÜÆá
(C) ËáQÕ¿á Ÿo®…WÜÙÜá ÖÝÙÝWܨæà CÃÜÆá (D) ÓÜáÆ»ÜÊÝX £ÃÜáWÜáÊÜíñæ ÊÜÞvÜÆá
The purpose of cleaning your mixer jar is to
(A) Avoid the damage of mixer (B) Avoid bad odour
(C) Avoid the damage of mixer button (D) Make rotation easy
VI. ÓÜãPܤÊÝ¨Ü EñܤÃÜ©í¨Ü ¹qrÃÜáÊÜ ÓܧÙÜÊÜ®Üá° »Ü£ì ÊÜÞw 4×1=4
Fill in the blanks with suitable answer.
16. ˨ÜáÂñ… ÓÝÊÜá¥ÜÂìÊÜ®Üá° AÙÜñæ ÊÜÞvÜáÊÜ ÓÝ«Ü®Ü ………………… .
The instrument used to measure electric power is ....................... .
17. ¶æÉËáíW…¬Ü GvÜWæç ­¿áÊÜá¨ÜÈÉ Öæ¸æºÃÜÙÜá ………………… ©PÜR®Üá° ÓÜãbÓÜáñܤ¨æ.
In the Fleming's left hand rule thumb indicates the direction of ................ .

MID/T-25-26/52

3 22-EK (Level-2)
18. ËáPÜÕÃ…®Ü ÊæàWÜÊÜ®Üá° ¯¿áí£ÅÓÜáÊÜ »ÝWÜ ………………… .
The part of the mixer that controls its speed is ....................... .
19. PÜêÑ Eñܳ®Ü°WÜÙÜÈÉ ŸÙÜÓÜáÊÜ gãÂÓÜÃ…®Ü ÊÜÞvæÇ… ………………… .
The juicer model used in Agriculture production is .................. .
VII. 20. A-±Üqr¿áÈÉ ÊæãàpÝÄ®Ü »ÝWÜWÜÙÜ PÝ¿áìWÜÙÜ®Üá° ÊÜáñÜᤠB-±Üqr¿áÈÉ ÊæãàpÝÄ®Ü »ÝWÜWÜÙÜ®Üá° ¯àvÜÇÝX¨æ.
AÊÜâWÜÙÜ®Üá° Öæãí©Ô EñܤÃÜWÜÙÜ®Üá° PÜÅÊÜÞûÜÃܨã
æ vÜ®æ ŸÃæÀáÄ 4×1=4
The functions of the parts of a motor are given in Column-A and motor parts
are given in Column-B. Match them and write the answer with alphabet :
A-±Üqr B-±Üqr
Column-A Column-B
i) ˨ÜáÂñ…ÍÜQ¤¿á®Üá° ¿Þí£ÅPÜÍÜQ¤¿ÞX ±ÜÄÊÜ£ìÓÜáñܤ¨æ a) ÖÜÆáÉWÜÙÜá
Converts electrical energy into mechanical energy Teeth
ii) ÍÜ£¤¿á®Üá° ÊæãàpÝÄ®Ü Jí¨Üá »ÝWÜ©í¨Ü ÊÜáñæã¤í¨Üá »ÝWÜPæR ÊÜWÝìÀáÓÜáñܤ¨æ b) ûæàñÜÅ ÓÜáÃÜáÚ
Transfers power from one part to another part Field coil
iii) ÓÝPÜÐÜár pÝP…ì A®Üá° Eñݳ©ÓÜáñܤ¨æ c) Íݶ…r
Produces sufficient torque Shaft
iv) Ô§ÃÜ ÊæçÃ… ÊÜáñÜᤠaÜÈÓÜáÊÜ »ÝWÜWÜÙÜ ®ÜvÜáÊæ ˨ÜáÂñÜøÊÝÖÜÊÜ®Üá° ÖÜÄÓÜáñܤ¨æ d) PÝíñÜWÜÙÜá
Conducts current between stationary wires and moving Magnets
parts
e) BÊæáàìaÜÃ…
Armature
f) ŸÅÍ…WÜÙÜá
Brushes
g) ÁãàP…
Yoke
VIII. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 4×1=4
Answer the following questions :
21. ¶ÜäÂÓ… A®Üá° ÓÜáÃÜûÝ ÓÝ«Ü®Ü G®Üá°ÊÜÃÜá. HPæ
Fuse is called safety device. Why ?
22. bñÜŨÜÈÉ PæãqrÃÜáÊÜ ÖÜíñÜ ÓÜÃÜŸÃÝi®Ü A®ÜÌ¿áÊÜ®Üá° £ÚÔ.
Mention the application of phase supply given in the figure :

23. gãÂÓÜÃ… Gí¨ÜÃæà®Üá
What is juicer ?
24. ËáPÜÕÃ…®ÜÈÉ ŸÙÜÓÜáÊÜ ÊæãàpÝÄ®Ü Ë«Ü ¿ÞÊÜâ¨Üá
Which type of motor is used in the mixer ?
IX. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 4×2=8
Answer the following questions :
25. ˨ÜáÂñ…PÝí£à¿á ±æÅàÃÜOæ Gí¨ÜÃæà®Üá
What is electromagnetic induction ?
26. ±Ü¿Þì¿á ˨ÜáÂñ… ÊÜáñÜᤠ®æàÃÜ Ë¨ÜáÂñ… ®ÜvÜá訆 ÊÜÂñÝÂÓÜWÜÙÜ®Üá° ŸÃæÀáÄ.
Write the differences between alternating current and direct current.
A¥ÜÊÝ /OR
MID/T-25-26/52 [ Turn over

22-EK (Level-2) 4
ÓÜPÜãÂìp… ¸æÅàPÜÃ…¬Ü PÝ¿áì˫ݬÜÊܬÜá® ŸÃæÀáÄ.
Write the working principle of circuit breaker.
27. ËáPÜÕÃ…®Ü »ÝWÜWÜÙÜ®Üá° ±ÜqrÊÜÞw.
List the parts of mixer.
28. OLR ®Ü Ë«ÜWÜÙÜ®Üá° ±ÜqrÊÜÞw.
List the types of OLR.
X. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 3×3=9
Answer the following questions :
29. Çݱ… ÊæçíwíW… ÊÜáñÜᤠÊæàÊ… ÊæçíwíW…WÜÙÜ ®ÜvÜá訆 ÊÜÂñÝÂÓÜWÜÙÜ®Üá° ±Üqr ÊÜÞw.
List the differences between lap winding and wave winding.
A¥ÜÊÝ /OR
PæàŸÇ… Gí¨ÜÃæà¬Üá PæàŸÇ…¬Ü Ë«ÜWÜÙܬÜá® ËÊÜÄÔ.
What is a cable ? Explain the types of cable.
30. ËáPÜÕÃ…®ÜÈÉ BWÝWæY PÜívÜáŸÃÜáÊÜ ¨æãàÐÜWÜÙÜ®Üá° ±ÜqrÊÜÞw.
List the frequently occurring faults in mixer.
31. ËáPÜÕÃ…®Ü ±ÜÅ£Áãí¨Üá »ÝWÜÊÜ®Üá° ¸æà±ÜìwÓÜáÊÜâ¨Üá ÊÜáñÜᤠ±ÜÄÎàÈÓÜáÊÜâ¨Ü®Üá° ¯àÊÜâ ÖæàWæ
±ÜŨÜÎìÓÜáËÄ ËÊÜÄÔ.
How do you demonstrate to separate and inspect every module of the mixer ?
Explain.
XI. D PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 3 × 4 = 12
Answer the following questions :
32. ÄÇæà¿á bñÜÅÊܬÜá® ŸÃæ¨Üá, PæÙÜX¬Ü »ÝWÜWÜÙܬÜá® WÜáÃÜá£Ô
i) ˨ÜáÂñ… PÝíñÜ ii) ÔøíW…
iii) Ô§ÃÜ ÓÜí±ÜPÜì iv) aÜÈÓÜáÊÜ ÓÜí±ÜPÜì
Draw the diagram of Relay and label the following parts :
i) Electromagnet ii) Spring
iii) Stationary contact iv) Movable contact
A¥ÜÊÝ /OR
ÊæãàpÝÄ®Ü bñÜÅÊÜ®Üá° ŸÃæ¨Üá, PæÙÜX®Ü »ÝWÜWÜÙÜ®Üá° WÜáÃÜá£Ô
i) ÊÝÖÜPÜ ii) Pݟ쬅 ŸÅÐ…
iii) PÝíñÜ «ÜáÅÊÜ iv) PÝíñÜ ¯ÜÉP…Õ
Draw the diagram of a motor and label the following parts :
i) Conductor ii) Carbon brush
iii) Magnetic pole iv) Magnetic flux
33. Êæp… WæùívÜÃ…®Ü bñÜÅÊÜ®Üá° ŸÃæ¨Üá, PæÙÜX®Ü »ÝWÜWÜÙÜ®Üá° WÜáÃÜá£Ô
i) ÓærଅÇæÓ… ÔràÇ… vÜÅÊÜå… ii) ¸æàÄíW…
iii) ÊæãàpÝÃÜá iv) ¸æÇ…r
Draw the diagram of a wet grinder and label the following parts :
i) Stainless steel drum ii) Bearing
iii) Motor iv) Belt
34. gãÂÓÜÃ…®Ü ZoPÜWÜÙÜ®Üá° ÖæÓÜÄÔ ÊÜáñÜᤠAÊÜâWÜÙÜ PÝ¿áìÊÜ®Üá° ËÊÜÄÔ.
Name the components of Juicer and explain their functions.
A¥ÜÊÝ /OR
ËáPÜÕÃ…®Ü ÓÜÌaÜfñæ ÊÜáñÜᤠ¯ÊÜìÖÜOÝ Ë«Ý®ÜÊÜ®Üá° ÖÜíñÜ ÖÜíñÜÊÝX ŸÃæÀáÄ.
Write the step by step procedure for cleaning and maintenance of mixer.

MID/T-25-26/52

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