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Free Practice Questions for RBSE SS Voc Electrical and Elect

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Exam pass rate: See RBSE subject-wise statistics for the examination year (statistics2026.htm).
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Exam Review

Key Facts: RBSE SS Voc Electrical and Elect Exam

109

RBSE subject code for Electrical and Electronics

RBSE 2026 subject-wise statistics

100

Typical full marks for the subject scheme

RBSE syllabus examination scheme

3.15 hrs

Typical theory paper duration

RBSE Class 12 / Varishtha Upadhyaya syllabus scheme

33%

Typical minimum pass marks (confirm circular)

RBSE examination regulations

100

Free English MCQ study questions on this page

OpenExamPrep practice bank

RBSE Senior Secondary (Class 12) Vocational Electrical and Electronics (code 109) is a real Board of Secondary Education, Rajasthan public-examination subject with appeared candidates in the 2026 main examination subject-wise statistics. Typical scheme: Theory 80 + Sessional 20 = 100; passing generally 33% (and separate practical pass where applicable). Use these free MCQs for theory revision only.

Sample RBSE SS Voc Electrical and Elect Practice Questions

Try these sample questions to review concepts for the RBSE SS Voc Electrical and Elect exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Ohm's law for a constant-temperature ohmic resistor states that voltage V equals:
A.Current multiplied by resistance (V = I × R)
B.Current divided by resistance (V = I / R)
C.Resistance divided by current (V = R / I)
D.Current plus resistance (V = I + R)
Explanation: Ohm's law is V = I × R. Rearrangements are I = V / R and R = V / I. Adding current and resistance is not a valid relationship.
2A 24 V DC supply is connected across a 12 Ω resistor. The current is:
A.0.5 A
B.2 A
C.12 A
D.288 A
Explanation: I = V / R = 24 V / 12 Ω = 2 A.
3The SI unit of electric current is the:
A.Volt
B.Ohm
C.Ampere
D.Watt
Explanation: Current is measured in amperes (A). Volt is potential difference, ohm is resistance, and watt is power.
4Electric power P in a DC circuit is commonly calculated as:
A.P = V / I
B.P = V + I
C.P = V − I
D.P = V × I
Explanation: Power is the product of voltage and current: P = V I. It can also be written as I²R or V²/R.
5Which material is typically used as a good electrical conductor for house wiring?
A.Copper
B.Glass
C.Rubber
D.Dry wood
Explanation: Copper has low resistivity and is widely used for conductors. Glass, rubber, and dry wood are insulators.
6In a series circuit of three identical resistors, the total resistance is:
A.Equal to one resistor only
B.Three times one resistor
C.One-third of one resistor
D.Always zero
Explanation: Series resistances add: Rtotal = R1 + R2 + R3. For three equal resistors R, Rtotal = 3R.
7A fuse is primarily intended to:
A.Increase voltage to the load permanently
B.Store energy like a capacitor
C.Protect the circuit by melting when current is excessive
D.Replace the need for any insulation
Explanation: A fuse is a sacrificial overcurrent device: its element melts and opens the circuit when current exceeds its rating for long enough.
8The purpose of earthing (grounding) a metal equipment body is mainly to:
A.Increase the normal operating voltage of the appliance
B.Eliminate the need for any fuse or MCB
C.Convert AC permanently to DC
D.Provide a low-resistance path for fault current so protective devices can clear the fault safely
Explanation: Protective earthing connects exposed metal to earth so a live-to-body fault creates a large fault current that trips the fuse/MCB/ELCB rather than leaving the body at dangerous potential.
9A multimeter set to measure resistance should be connected:
A.Across the component with power removed and the component isolated as needed
B.In series with a live high-voltage feeder only
C.Only while the circuit is energized at full load
D.Between phase and earth on a live panel without care
Explanation: Resistance measurements require a de-energized circuit; the meter injects a small test current. Measuring ohms on a live circuit can damage the meter and give false readings.
10Voltage is measured by connecting a voltmeter:
A.Only in series with the load always
B.In parallel with the points whose potential difference is required
C.Only after shorting the supply terminals
D.With the circuit permanently open at every node
Explanation: A voltmeter has high internal resistance and is connected in parallel across the two points of interest.

About the RBSE SS Voc Electrical and Elect Exam

Free English-language MCQ practice for Rajasthan RBSE Senior Secondary (Class 12) Vocational Electrical and Electronics (code 109), covering topics from official board syllabus scope and 2026 subject-wise result statistics. This bank is a study adaptation for concept practice — not an official paper simulation or practical substitute.

Exam sponsor: Board of Secondary Education, Rajasthan (RBSE), Ajmer. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Official RBSE mixed written theory paper (objective, short, and long constructed-response items as per subject design) with Theory 80 + Sessional 20 = 100 full marks, duration 3 hours 15 minutes. Local bank: English-language four-option MCQ study adaptation with explanations — not a full mixed-paper simulation. Subject code 109. Evidenced in official RBSE 2026 subject-wise main examination statistics.

Time Limit

3 hours 15 minutes (theory paper)

Passing Score

Minimum 33% marks in the subject as per RBSE examination regulations (confirm current session circulars). Where theory and practical are separate, candidates must pass each component as required by the subject scheme.

Exam / Certification Fees

As per RBSE annual examination fee notification for school/private candidates (Senior Secondary (Class 12) Vocational full board form fee is notified each cycle on rajeduboard.rajasthan.gov.in — confirm the current circular; subject papers are not separately priced on the statistics page)

Exam sponsor website

Reported exam pass rate: See RBSE subject-wise statistics for the examination year (statistics2026.htm).. This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

25%

Trade Fundamentals

Core concepts for Electrical and Electronics: circuits, safety, components, basic troubleshooting knowledge.

25%

Tools, Materials and Processes

Standard tools, materials, and process knowledge for the trade.

20%

Safety, Hygiene and Quality

Workplace safety, hygiene, quality checks, and compliance awareness.

15%

Customer/Workplace Skills

Communication, documentation, and employability skills.

15%

Troubleshooting and Judgment

Scenario-based recognition of correct vs unsafe practice for study.

Preparing for the RBSE SS Voc Electrical and Elect Exam

What You Need to Know

  • Passing score: Minimum 33% marks in the subject as per RBSE examination regulations (confirm current session circulars). Where theory and practical are separate, candidates must pass each component as required by the subject scheme.
  • Assessment: Official RBSE mixed written theory paper (objective, short, and long constructed-response items as per subject design) with Theory 80 + Sessional 20 = 100 full marks, duration 3 hours 15 minutes. Local bank: English-language four-option MCQ study adaptation with explanations — not a full mixed-paper simulation. Subject code 109. Evidenced in official RBSE 2026 subject-wise main examination statistics.
  • Time limit: 3 hours 15 minutes (theory paper)
  • Exam / certification fees: As per RBSE annual examination fee notification for school/private candidates (Senior Secondary (Class 12) Vocational full board form fee is notified each cycle on rajeduboard.rajasthan.gov.in — confirm the current circular; subject papers are not separately priced on the statistics page) Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

RBSE SS Voc Electrical and Elect: Suggested Study Strategy

1Start with the official unit list for code 109 and weight high-mark units first.
2Use MCQs to diagnose weak concepts, then rewrite answers in your own words.
3Complete practical/sessional work on the school timeline — MCQs do not replace it.
4Practice previous RBSE model papers when published for constructed-response timing.
5Track errors by topic and re-test those categories after 48 hours.

Frequently Asked Questions

Is the official RBSE Electrical and Electronics exam multiple-choice only?

No. Official RBSE papers mix objective and constructed-response tasks; subjects with practical or skill components also require that evidence. The 100 questions here are an English-language MCQ study adaptation for concept practice only.

What is the subject code for RBSE Electrical and Electronics?

RBSE lists Electrical and Electronics under subject code 109 in the 2026 main examination subject-wise statistics.

What is the typical passing standard?

RBSE generally requires minimum 33% in the subject; where theory and practical are separate, candidates must meet the scheme for each component. Confirm the current session circular.

Where can I find the official syllabus?

Download board syllabus materials from rajeduboard.rajasthan.gov.in (Class 12 syllabus PDF).