MBOSE Class 10 Question Paper 2021 for Electronics
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MBOSE Class 10 Question Paper 2021 for Electronics is available here for free download. Published by Meghalaya Board for Class 10, this question paper can be viewed online or downloaded as a PDF (4 pages). Candidates preparing for Class 10 can use MBOSE Class 10 Question Paper 2021 for Electronics to understand the exam pattern, the type of questions asked, and the overall difficulty level.
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MBOSE Class 10 Question Paper 2021 for Electronics – Text
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📄 View text version (4 pages)
Page 1
21/VC/EL
2021
ELECTRONICS
( Vocational Course )
Full Marks : 30
Time : 1 hour
The figures in the margin indicate full marks for the questions
1. Choose the correct answer : 1×8=8
(a) Water heater works on the principle of
(i) Joule’s law
(ii) Faraday’s law
(b) The winding which is connected to supply is called
_____ winding.
(i) secondary
(ii) primary
(c) Mica sheet is a _____ conductor of electricity.
(i) good
(ii) bad
/80 [ P.T.O.
Page 2
(d) Which type of battery is used in emergency light?
(i) Alkaline battery
(ii) Lead-acid battery
(e) The SI unit of electric current is
(i) coulomb
(ii) ampere
(f) The transformer is a _____ device.
(i) dynamic
(ii) static
(g) Which type of switchs is required for staircase
wiring?
(i) One lamp controlled by two switches
(ii) Two lamps controlled by two switches
(h) Fuse is always connected in
(i) live wire
(ii) neutral
2. Answer the following in 1 word or 1 sentence each
(any four) : 1×4=4
(a) Define staircase wiring.
(b) What is the function of secondary winding in
transformer?
21/VC/EL/80 [ Contd.
Page 3
(c) Write the full form of MCB.
(d) What are the advantages of choke in tube light?
(e) Who discovered photovoltaic effect?
(f) Draw a simple wiring diagram of one lamp controlled
by one switch.
3. Answer the following questions in 3 or 4 sentences each
(any three) : 2×3=6
(a) What is earthing? State the types of earthing.
(b) Differentiate between electrical choke and electronic
choke.
(c) State the working principle of electric iron.
(d) What are the applications of solar power supply?
(e) What are the different types of emergency lights?
Explain.
4. Answer the following questions in 60–80 words each
(any three) : 4×3=12
(a) State the working principle of single-phase motor.
(b) State the principle of photovoltaic effect. Draw the
block diagram of solar power supply.
21/VC/EL/80 [ P.T.O.
Page 4
(c) Explain the working of a half-wave rectifier.
(d) What is emergency light? Explain bridge rectifier.
(e) List out the precautions while handling emergency
light.
21/VC/EL/80 11-21— 270
Document Details
| Board / Org | Meghalaya Board |
| Exam | Class 10 |
| Type | Question Paper |
| Pages | 4 |
| Updated | 30 Apr 2026 |