ISC Class 11 Syllabus 2028 Electricity and Electronics

ISC
INDIAN SCHOOL CERTIFICATE
EXAMINATION

YEAR 2028

ELECTRICITY
&
ELECTRONICS
(866)

Developed by:
Research, Development and Curriculum Division (RDCD)
CISCE

January 2026
____________________________________________________________________________________________

© Copyright, Council for the Indian School Certificate Examinations
All rights reserved. The copyright to this publication and any part thereof solely vests in the Council for the Indian
School Certificate Examinations. This publication and no part thereof may be reproduced, transmitted, distributed or
stored in any manner whatsoever, without the prior written approval of the Council for the Indian School Certificate
Examinations.

Council for the Indian School Certificate Examinations (CISCE)

MISSION STATEMENT

The Council for the Indian School Certificate
Examinations is committed to serving the nation's
children, through high quality educational
endeavours, empowering them to contribute towards
a humane, just and pluralistic society, promoting
introspective living, by creating exciting learning
opportunities, with a commitment to excellence.

ETHOS OF CISCE

Trust and fair play.
Minimum monitoring.
Allowing schools to evolve their own niche.
Catering to the needs of the children.
Giving freedom to experiment with new ideas
and practices.
Diversity and plurality - the basic strength for
evolution of ideas.
Schools to motivate pupils towards the
cultivation of:
Excellence - The Indian and Global
experience.
Values - Spiritual and cultural - to be the bedrock
of the educational experience.
Schools to have an 'Indian Ethos', strong roots in
the national psyche and be sensitive to national
aspirations.

ELECTRICITY AND ELECTRONICS (866)

The syllabus is not intended to be used as a teaching syllabus, or to suggest teaching order. It is expected that
teachers will wish to develop the subject in their own way.
In the examination, questions will be aimed more at testing the candidates' understanding of fundamental
principles, and the application of these principles to problem situations, than to their ability to remember a large
number of facts. Some questions will include simple calculations.
An experimental approach to the subject is envisaged and it is assumed that candidates will spend adequate time
on individual experimental work. Questions may be set requiring descriptions of experimental procedures.
Candidates should also know how to exhibit the results of experiments graphically and how to make deductions
from graphs, e.g. from intercepts and gradient in the case of straight-line graphs, deductions by interpolation.
Candidates will be expected to be conversant with SI units.

CLASS XI
There will be two papers in the subject:
Paper I: Theory - 3 hours…80 marks
Paper II: Project Work ... 20 marks

PAPER I (THEORY) : 80 MARKS
1. Introduction to electricity. Structure of atoms; the model atom, nucleus, electrons. Unit of charge; coulomb.
Potential difference and electromotive force. Production of electricity by friction, magnetism and chemical
action.
2. Electric circuit. Electric current I = Qt. Ampere as rate of flow of charge. Ohm's law as applied to a single
resistance (V/I=R) and to a whole circuit (E/I= total R).
3. Equivalence. Cell groupings. Resistances in series and parallel. Resistivity; R = Pl/A. Calculation of
resistance of wire. Temperature coefficient of resistance. Ammeter shunts; voltmeter multipliers; series
ohmmeter.
4. Work, power and energy. Work and energy. The joule. E =V/t (QV). Unit of power and energy; the watt, the
kilowatt, the watt-hour and kilowatt-hour. Use of wattmeter. Calculation of electrical energy and power. Local
tariff system.
5. Heating effect of an electric current. Application of heating effect, e.g. heating appliances, filament lamps,
electric welding, electric carbon arc, and use of fuses.
6. Chemical effect of an electric current. Electrolytes and non-electrolytes. Elementary phenomena of
electrolysis, including the electrolysis of acidified water, and of copper (II) sulphate solution using copper or
platinum electrodes. The factors affecting the mass of substance liberated in electrolysis and the measurement
of current by voltameter (coulometer). Primary cells; Leclanche cell; polarization; local action.
Accumulators; construction and characteristics of lead-acid cell; techniques of testing and charging batteries;
care and maintenance.
7. Electromagnetism. Simple phenomenon of magnetism. Ferromagnetic properties of iron and steel. Magnetic
effect of an electric current. The magnetic field associated with a current flowing in a straight wire, a circular
coil, and a solenoid. Force on a current-carrying conductor in a magnetic field; the right-hand and corkscrew
rules. Magnetic flux density. Permeability.

1

8. Electromagnetic induction. Phenomenon of electromagnetic induction. Faraday's law; Lenz's law. Induced
e.m.f.; a straight conductor cutting flux; E = - dφ/dt = Blv. Self-inductance; E = - Ldi/dr. Mutual inductance;
the induction coil.
9. Elementary electrostatics. Electric field; E = V/d. Capacitance and the factors affecting capacitance. Electric
flux density; D = Q/A. Permittivity; m = D/E. Energy of charged capacitors in series and in parallel.
10. Alternating current. Generation of an a.c. with a single loop coil. Sinusoidal wave form. Peak values; r.m.s.
values (Only ratios will be expected.) Simple a.c. circuits.
11. Transformer. Principle of the single-phase transformer, and iron loss (hysteresis and eddy current).
12. Lighting. Common types of lamps; candela, lumen, lux, lux meter (light-meter). Illumination and photometry.
Gas-filled lamps and fluorescent lamp circuits; preheat, instant and rapid starts.

PAPER II (PROJECT WORK) : 20 MARKS
In addition to the syllabus prescribed above, candidates are also required to be assessed in Project Work. All
candidates will be required to have completed two projects from any topic/s covered in theory.
The Project work will be assessed by the subject teacher.
Mark allocation for each project (10 marks) :

S. No. Criteria Marks
1. Title of the Project and Introduction 1
2. Content 3
3. Presentation and originality 2
4. Conclusion/Comments/Summary 1
5. Viva-Voce 3
TOTAL 10

List of suggested assignments for Project Work:
1. Use the given apparatus and material viz. resistor, ammeter (0-1.5 A), voltmeter (0-5 V), rheostat, battery,
one- way key, sand paper and connecting wires and do the following:
(i) Assemble an electrical circuit and draw the same.
(ii) Modify the circuit using two resistors which may be connected in (a) series and (b) in parallel. Draw the
same and explain the effect in each case.
Does the current drawn from the cell remain constant? Discuss.
(iii) How is an ammeter and a voltmeter connected in an electrical circuit? Give reason for your answer.
1. You are given the following items: rheostat, different kinds of keys, different types of resistances (carbon
resistor, wire wound resistance box), different battery eliminators, dc sources (cells, batteries). Prepare a report
covering the following:
(i) Drawing a circuit diagram using rheostat as a potential divider and connecting the same to determine the
voltage range provided.
(ii) Identifying the functions of given keys in the electric circuit and drawing diagrams of each key.
(iii) Explaining the different types of resistances given.
(iv) Comparing the connecting wires used in household circuits and those used in the laboratory.

2

(v) Differentiating between battery eliminators and dc sources (cells, batteries) and explaining how these are
different from car batteries.
2. Assemble a household circuit comprising three bulbs (25W, 40W, 60W, 220V each), three (on/off) switches,
a socket, a fuse (1.0 A), flexible connecting wire, main switch and a power source. Calculate the maximum
current drawn for three bulbs used in the circuit.
Draw a circuit diagram consisting of one tube light point, one staircase point using two-way switch, one fan
point and one washing machine point.
4. Conduct an extensive study on any Indian /foreign Physicist. Prepare a report discussing their contributions.

3