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Electric Resistance and OHM's Law — Concept Maps

ICSE · Class 12 · Physics

A concept map of Electric Resistance and OHM's Law for ICSE Class 12 Physics, also written out as a text outline.

60 questions36 flashcards18 formulas & key relations5 concepts

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Graphs showing the variation of resistivity with temperature for different types of materials: metals, semiconductors, and alloys.
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An illustration from Super Tutor's Electric Resistance and OHM's Law chapter — alongside flashcards, concept maps and practice questions.

1 Concept Map

Current electricity in conductors: how electric current, drift velocity, resistance, resistivity, Ohm's law, combinations of resistances, temperature effects, and electric power are related

Current electricity in conductors: how electric current, drift velocity, resistance, resistivity, Ohm's law, combinations of resistances, temperature effects, and electric power are related

The map in words

  • Current electricity in conductors: how electric current, drift velocity, resistance, resistivity, Ohm's law, combinations of resistances, temperature effects, and electric power are related
    • Electric current
    • Current density
    • Free electrons
    • Drift velocity
    • Mobility
    • Relaxation time and mean free path
    • Resistance
    • Resistivity

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Frequently Asked Questions

What are the important topics in Electric Resistance and OHM's Law for ICSE Class 12 Physics?
Key topics in Electric Resistance and OHM's Law include Electric Current and Current Density, Free Electrons, Relaxation Time, Drift Velocity and Mobility, Ohm's Law, Resistance and Resistivity, Derivation of Ohm's Law and Microscopic Form. Study these first, then practise questions on each for the ICSE Class 12 board exam.
What do the concept maps for Electric Resistance and OHM's Law show?
The map shows how the ideas in Electric Resistance and OHM's Law connect: Current electricity in conductors: how electric current, drift velocity, resistance, resistivity, Ohm's law, combinations of resistances, temperature effects, and electric power are related. Each map is also written out as an outline on this page.
How should I revise Electric Resistance and OHM's Law for the ICSE Class 12 board exam?
Learn the core ideas first, then work through the 60 practice questions on Electric Resistance and OHM's Law. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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