CBSE Class 10 Question Paper 2024 Electronics Hardware

CBSE

Series #CDBA SET-4
àíZ-nÌ H$moS>
Q.P. Code 107
amob Z§. narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$
Roll No. _wI-n¥ð >na Adí` {bIo§ &
Candidates must write the Q.P. Code
on the title page of the answer-book.

H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 15 h¢ &
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >21 àíZ h¢ &
àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE àíZ -nÌ H$moS H$mo narjmWu CÎma-nwpñVH$m Ho$ _wI-n¥>ð> na
{bI| &
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Adí`
{bI| &
Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-
10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-
Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
Please check that this question paper contains 15 printed pages.
Please check that this question paper contains 21 questions.
Q.P. Code given on the right hand side of the question paper should be written
on the title page of the answer-book by the candidate.
Please write down the serial number of the question in the
answer-book before attempting it.
15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer on
the answer-book during this period.

Am¡a hmS>©do`a
ELECTRONICS AND HARDWARE

:2 : 50
Time allowed : 2 hours Maximum Marks : 50

4-107 Page 1 P.T.O.

:
(i)
(ii) 21 :
(iii)
(iv) (5 + 16) = 21 2
(5 + 10) = 15
(v)
(vi) : 24 :
(a) 05
(b)
(c)
(d) /
(vii) : 26 :
(a) 16
(b) 10
(c)
(d) /

IÊS> H$ $
(dñVw{ZîR> àH$ma Ho$ àíZ) (24 A§H$)

1. amoµOJma H$m¡eb na {XE JE 6 àíZm| _| go {H$Ýht 4 Ho$ CÎma Xr{OE & 4 1=4

(i) gwZZm __________ à{H«$`m h¡ &
(A) {ZpîH«$` (B) g{H«$`
(C) g{H«$` Am¡a {ZpîH«$` XmoZm| (D) J{Verb

(ii) {ZåZ{b{IV _| go H$m¡Z-gm ñd-à~§YZ H$m¡eb h¡ ?
(A) g_ñ`m g_mYmZ (B) gm¡Xo~mµOr
(C) ñd`§ H$mo g_PZm (D) AmË_{dídmg H$m {Z_m©U
4-107 Page 2

General Instructions :
(i) Please read the instructions carefully.
(ii) This question paper consists of 21 questions in two Sections : Section A
and Section B.
(iii) Section A has Objective type questions whereas Section B contains
Subjective type questions.
(iv) Out of the given (5 + 16) = 21 questions, a candidate has to answer
(5 + 10) = 15 questions in the allotted (maximum) time of 2 hours.
(v) All questions of a particular section must be attempted in the correct
order.
(vi) Section A : Objective Type Questions (24 marks) :
(a) This section has 05 questions.
(b) There is no negative marking.
(c) Do as per the instructions given.
(d) Marks allotted are mentioned against each question/part.
(vii) Section B : Subjective Type Questions (26 marks) :
(a) This section has 16 questions.
(b) A candidate has to do 10 questions.
(c) Do as per the instructions given.
(d) Marks allotted are mentioned against each question/part.

SECTION A
(Objective Type Questions) (24 marks)

1. Answer any 4 out of the given 6 questions on Employability Skills. 4×1=4

(i) Hearing is a/an ____________ process.
(A) Passive (B) Active

(C) Both active and passive (D) Dynamic

(ii) Which of the following is not a self-management skill ?
(A) Problem solving (B) Bargaining
(C) Understanding self (D) Confidence building

4-107 Page 3 P.T.O.

(iii) H§$ß`yQ>a H$s-~moS>© na EH$ Hw§$Or `m H§w${O`m| Ho$ g_yh H$mo O~ EH$ ~ma X~m`m OmVm h¡
Vmo dh g{H«$` hmo OmVm h¡ Am¡a {H$gr H$m`© H$mo erK«Vm go {Zînm{XV H$aVm h¡,
H$hbmVm h¡ :
(A) emQ>©H°$Q> H$s (B) ñnoeb H$s
(C) \ (D) {gñQ>_ H$s
(iv) {ZåZ{b{IV _| go H$m¡Z-go gm°âQ>do`a µ\$mBb ~ZmZo _| {H$`m Om
gH$Vm h¡ ?
(A) ì`yAa (B) amBQ>n¡S>
(C) ZmoQ>n¡S> (D) [aH$m°S>©a
(v) {ZåZ{b{IV _| go H$m¡Z-gm EH$ g\$b CÚ_r H$m JwU h¡ ?
(A) AmË_{dídmgr Am¡a ì`mdgm{`H$ {ZU©` boZm
(B) {ZU©`m| H$s {µOå_oXmar boZm
(C) H${R>ZmB`m| H$m gm_Zm H$aZo na ZE ì`dgm` H$s Amoa éI H$aZm
(D) g_mYmZ bmJy H$aZo _| aMZmË_H$ hmoZm
(vi) g§JR>Z _| h[aV J{V{d{Y`m| H$s XoIaoI H$m¡Z H$aVm h¡ ?
(A) D$Om© boIm-narjH$
(B) ndZ D$Om© B§Or{Z`a
(C) gm¡a D$Om© B§Or{Z`a
(D) _w»` YmaUr`Vm A{YH$mar
2. {XE JE 6 àíZm| _| go {H$Ýht 5 Ho$ CÎma Xr{OE & 5 1=5
(i) {ZåZ{b{IV _| go H$m¡Z-gr _moQ>a AC Am¡a DC {~Obr Amny{V© na H$m_ H$aVr h¡ ?
(A) ñQ>ona _moQ>a (B) `y{Zdg©b _moQ>a
(C) gdm}_moQ>a (D)
(ii) ZrMo {XE JE Oyga Ho$ nmQ>© H$s nhMmZ H$s{OE :

(A) amoQ>oeZ dmBna (B) hm°na
(C) ßb§Oa (D) ñQ´>oZa
4-107 Page 4

(iii) A key or set of keys on the computer keyboard, when pressed once,
evokes and performs a task quickly is called :
(A) Shortcut key (B) Special key
(C) Function key (D) System key

(iv) Which of the following softwares can be used to create text files ?
(A) Viewer (B) WritePad
(C) Notepad (D) Recorder

(v) Which of the following is not the quality of a successful
entrepreneur ?
(A) Confident and takes business decisions
(B) Takes responsibility for decisions
(C) Switches to new business when facing difficulties
(D) Creative in implementing solutions

(vi) Who oversees green activities in an organization ?
(A) Energy auditors
(B) Wind energy engineers
(C) Solar energy engineers
(D) Chief sustainability officers

2. Answer any 5 out of the given 6 questions. 5×1=5

(i) Which of the following motor works on AC as well as DC power
supply ?
(A) Stepper motor (B) Universal motor
(C) Servomotor (D) Induction motor

(ii) Identify the part of the juicer shown below :

(A) Rotation wiper (B) Hopper
(C) Plunger (D) Strainer
4-107 Page 5 P.T.O.

(iii) A{½Zem_H$ H$m Cn`moJ Cg AmJ H$mo ~wPmZo Ho$ {bE {H$`m OmVm
h¡ Omo _________ Ho$ H$maU hmoVr h¡ &
(A) J¡gmobrZ, J«rg, Vob (B) ßbmpñQ>H$, H$mJµO
(C) ÁdbZerb YmVw (D) agmoB© gm_J«r

(iv) âboq_J Ho$ ~mE± hmW Ho$ {Z`_ _| VO©Zr XoVr h¡o :
(A) Ymam H$s {Xem (B) ~b H$s {Xem
(C) Mw§~H$s` joÌ H$s {Xem (D) {dÚwV joÌ H$s {Xem

(v) _mBH«$modod AmodZ _| _¡½ZoQ´>moZ Q>çy~ {\$bm_|Q> dmoëQ>oO __________ hmoVm h¡o &
(A) 3·2 V AC (B) 3·0 V AC
(C) 2·0 V AC (D) 1·0 V AC

(vi) {ZåZ{b{IV _| go {H$gHo$ n[aUm_ñdê$n Am°naoQ>a H$mo MmoQ> bJZo H$s g§^mdZm h¡ ?
(A) H$m`© Ho$ {bE ghr CnH$aU H$m M`Z H$aZm
(B) gwajm Mí_m `m EoZH$ nhZZm
(C) T>rbo h¢S>b dmbo CnH$aU H$m Cn`moJ H$aZm
(D) H$mQ>Zo Ho$ Am¡µOmam| H$mo VoµO aIZm

3. {XE JE 6 àíZm| _| go {H$Ýht 5 Ho$ CÎma Xr{OE & 5 1=5

(i) {ZåZ{b{IV _| go H$m¡Z-gm µâ`yµO H$m àH$ma h¡ ?
(A) {_Zr â`yµO (B) EgE_S>r â`yµO
(C) H$m{Q´>©O â`yµO (D) nona â`yµO

(ii) {ZåZ{b{IV _| go H$m¡Z-gm ^mJ _mBH«$modod AmodZ _| _mBH«$modod CËnÞ H$aVm h¡ ?
(A) _¡½ZoQ´>moZ (B) Q´>m§g\$m_©a
(C) O g§Ym[aÌ (D) S>m`moS>
4-107 Page 6

(iii) Class B type of extinguisher is used to extinguish the fire which is
caused due to __________.
(A) Gasoline, grease, oil (B) Plastic, paper, cloth

(C) Combustible metal (D) Kitchen material

(iv) , the forefinger gives :
(A) Direction of current (B) Direction of force

(C) Direction of magnetic field (D) Direction of electric field

(v) Magnetron tube filament voltage in a microwave oven is _________.
(A) 3·2 V AC (B) 3·0 V AC

(C) 2·0 V AC (D) 1·0 V AC

(vi) Which of the following is likely to result in an injury to the
operator ?

(A) Selecting the right tool for the job

(B) Wearing safety goggles or glasses

(C) Using a tool with loose handles

(D) Keeping cutting tools sharp

3. Answer any 5 out of the given 6 questions. 5×1=5

(i) Which of the following is not a type of fuse ?
(A) Mini fuse (B) SMD fuse

(C) Cartridge fuse (D) Paper fuse

(ii) Which of the following parts produces microwave in a microwave
oven ?
(A) Magnetron (B) Transformer

(C) High voltage capacitor (D) Diode

4-107 Page 7 P.T.O.

(iii) Mm±Xr H$m C _| JbZm§H$ hmoVm h¡ :
(A) 419 (B) 240
(C) 328 (D) 980

(iv) «mB§S>a _| Am°Q>mo AmodabmoS> àmoQ>o ~Q>Z ~og `y{ZQ> Ho$ ___________
pñWV hmoVm h¡ ?
(A) AmJo (B) nrN>o
(C) Vb na (D) A§Xa

(v) _mBH«$modod `y{ZQ> _| dmoëQoO H$mo Am¡a KQ>mZo Ho$ {bE {H$g CnH$aU H$m Cn`moJ
{H$`m OmVm h¡ ?
(A) W_m}ñQ>oQ> (B) [abo
(C) aoJwboQ>a (D) hmB© dmoëQ>oO Q´>m§g\$m_©a

(vi) PPE _Vb~ h¡ ?
(A) gwajm {ZdmaH$ CnH$aU
(B) ì`{º$JV gwajm CnH$aU
(C) ì`{º$JV {ZdmaH$ CnH$aU
(D) OZ gwajm CnH$aU

4. {XE JE 6 àíZm| _| go {H$Ýht 5 Ho$ CÎma Xr{OE & 5 1=5

(i) H$m¡Z- ¡?
(A) Am°Q>mo pñdM (B) ñdMm{bV ajH$
(C) `b â`yµO (D) Am°Q>mo AmodabmoS> ajH$
(ii) aÌ H$mo {S>ñMmO© H$aZo Ho$ {bE {ZåZ{b{IV _| go {H$g CnH$aU
H$m Cn`moJ {H$`m OmVm h¡ ?
(A) W_m}ñQ>oQ> (B) hmB© dmoëQ>oO Q´>m§g\$m_©a
(C) ZmoµO ßbm`a (D) hmB© dmoëQ>oO S>m`moS>
4-107 Page 8

(iii) Melting point in ºC of silver is :
(A) 419 (B) 240
(C) 328 (D) 980

(iv) Auto overload protector button in a mixer/grinder is located at the
____________ of the base unit.
(A) Front (B) Back
(C) Bottom (D) Inside

(v) Which instrument is used to increase and decrease voltage in a
microwave unit ?
(A) Thermostat (B) Relay
(C) Regulator (D) High voltage transformer

(vi) What does PPE stand for ?
(A) Protective Preventive Equipment
(B) Personal Protective Equipment
(C) Personal Preventive Equipment
(D)

4. Answer any 5 out of the given 6 questions. 5×1=5

(i) Which part protects the mixer from overload ?
(A) Auto switch (B) Automatic protector
(C) Axial fuse (D) Auto overload protector

(ii) Which of the following tools is used to discharge high voltage
capacitor ?
(A) Thermostat (B) High voltage transformer
(C) Nose plier (D) High voltage diode
4-107 Page 9 P.T.O.

(iii) {ZåZ{b{IV _| go H$m¡Z-gr YmVw H$m Cn`moJ µâ`yµO Ho$qgJ ~ZmZo Ho$ {bE {H$`m OmVm
h¡ ?
(A) {gao{_H$ (B) Eobw{_{Z`_
(C) boS> (D) H$moB© ^r YmVw
(iv) {H$VZo àH$ma Ho$ hmoVo h¢ ?
(A) 5 (B) 4
(C) 3 (D) 2

(v) H¡${dQ>r H$m°på~ZoeZ, Q>Z©Q>o~b {gñQ>_ Am¡a \$m`a S>moa BgHo$ ^mJ h¢ :
(A) _mBH«$modod òmoV (B) {Z`§ÌU n¡Zb
(C) hrqQ>J ê$_ (D) W_©b {gñQ>_
(vi) Kaoby {dÚwV Vmam| na H$m_ H$aZo Ho$ {bE H$m¡Z-gm ì`{º$JV gwajm CnH$aU Amdí`H$
h¡ ?
(A) B§gwboQ>oS> OyVo
(B) XñVmZo
(C) B§gwboQ>oS> CnH$aU
(D) H$mbm Mí_m

5. {XE JE 6 àíZm| _| go {H$Ýht 5 Ho$ CÎma gË`/AgË` _§o Xr{OE & 5 1=5

(i) g{H©$Q> ~«oH$a H$m Cn`moJ VÎdm| H$mo AË`{YH$ Ymam àdmh go ~MmZo Ho$ {bE {H$`m
OmVm h¡ &
(ii) AmodabmoS> V~ hmoVm h¡ O~ EH$b {S>dmBg H$mo EH$b g{H©$Q> na g§Mm{bV {H$`m
OmVm h¡ &
(iii) ñQ>oQ>a, _moQ>a H$m EH$ J{Verb ^mJ h¡ &
(iv) Q´>m§g\$m_©am| `m KQ>mZo (AnMm`r) Ho$ {bE
{H$`m OmVm h¡ &
(v) _mBH«$modod AmodZ _| _mBH«$modod CËnÞ H$aZo Ho$ {bE [abo H$m Cn`moJ {H$`m OmVm h¡ &
(vi) {~Obr Ho$ Vmam| H$m AbJ-AbJ a§J H$moS> hmoVm h¡ &
4-107 Page 10

(iii) Which of the following materials is used for making fuse casing ?
(A) Ceramic (B) Aluminium
(C) Lead (D) Any metal

(iv) How many types of mixers are there ?
(A) 5 (B) 4
(C) 3 (D) 2

(v) Cavity combination, turntable system and fire door are parts of :
(A) Microwave source (B) Control panel
(C) Heating room (D) Thermal system

(vi) Which personal protective device is not essential for working on
domestic electrical wiring ?
(A) Insulated shoes
(B) Gloves
(C) Insulated tools
(D) Dark glasses

5. Answer any 5 out of the given 6 questions in True/False. 5×1=5

(i) Circuit breakers are used to protect elements from excessive current
flow.

(ii) Overload occurs when single device is operated on a single circuit.

(iii) Stator is a dynamic part of motor.

(iv) Transformers are used to step up or step down the voltage.

(v) Relays are used to generate the microwaves in the microwave oven.

(vi) Electric wires have different colour codes.

4-107 Page 11 P.T.O.

IÊS> I $
({df`naH$ àH$ma Ho$ àíZ) (26 A§H$)

5 3
20 30 3 2=6

6. ?

7. AmË_-àoaUm H$m òmoV ?

8. {H$Ýht Mma _mJ©Xe©H$ H$sµO (Hw§${O`m|) Ho$ Zm_ Am¡a CZHo$ Cn`moJ {b{IE &

9. ?

10. `m h¢ ?

6 4 20 30 4 2=8

11. µâ`yµO Ho$ H$m`© {gÕm§V H$mo n[a^m{fV H$s{OE &

12.

13. Oyga Ho$ {d{^Þ ^mJm| H$mo gyMr~Õ H$s{OE &

14. _mBH«$modod Am

15. {dfmº$ nXmWm] Ho$ g§nH©$ _| AmZo Ho$ Hw$N> bjUm| Ho$ ~mao _| {b{IE, O~ H$moB© ì`{º$ EH$
H$m`©ñWb na amgm`{ZH$ IVam| Ho$ g§nH©$ _| Am`m hmo &

16. {dÚwV ~Mmd VH$ZrH$m| Ho$ g§~§Y _| ?

4-107 Page 12

SECTION B
(Subjective Type Questions) (26 marks)

Answer any 3 out of the given 5 questions on Employability Skills. Answer each
question in 20 30 words. 3 2=6

6. What are the attributes of an active listener ?

7. What is the source of self-motivation ?

8. Write the name of any four navigation keys and their usage.

9. What are the benefits of entrepreneurship ?

10. What are the major problems related to sustainable development ?

Answer any 4 out of the given 6 questions in 20 30 words each. 4 2=8

11. Define working principle of a fuse.

12. Write down the steps to use a mixer/grinder.

13. Enlist different parts of a juicer.

14. Name the parts of a microwave oven which operate on high voltage and
current.

15. Write some of the symptoms of exposure to toxins when a person has been
exposed to chemical hazards in a workplace.

16. What are the solutions to hazards in respect of Electrical Rescue
Techniques ?

4-107 Page 13 P.T.O.

5 3 50 80 3 4=12

17. ãbm°H$ AmaoI H$s ghm`Vm go Oyga _| hmoZo dmbr g_ñ`mE± Am¡a CZHo$ g_mYmZm| H$s ì`m»`m
H$s{OE &

18. ?

19. Ì Ho$ narjU H$s à{H«$`m g_PmBE &

20. {dÚwV n¡Zb Am¡a H¡${~ZoQ> Ho$ Amgnmg gwa{jV ê$n go H$m_ H$aZo Ho$ {bE `mX aIZo `mo½`
q~XþAm| H$mo gyMr~Õ H$s{OE &

21. {d{^Þ àH$ma Ho$ A{½Zem_H$ `§Ìm| Am¡a CZH$s e_Z gm_J«r Ho$ ~mao _| ~VmBE &

4-107 Page 14

Answer any 3 out of the given 5 questions in 50 80 words each. 3 4=12

17. With the help of a block diagram, explain the problems that can occur in a
juicer and their solutions.

18. What do you know about the composition of a microwave oven ?

19. Explain the procedure of testing a high voltage capacitor of microwave
oven.

20. Enlist the points to remember for working safely around electrical panels
and cabinets.

21. Explain various types of fire extinguishers and their extinguishing
materials.

4-107 Page 15 P.T.O.

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