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Effects of electric current — Syllabus

Maharashtra Board · Class 10 · Science

What Effects of electric current covers in Maharashtra Board Class 10 Science: 4 topics, for the 2026-27 session.

45 questions40 flashcards8 formulas & key relations5 concepts

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4 Topics · Maharashtra Board Class 10 Science · 2026-27

Topics in Effects of electric current

1

Energy Transfer in an Electric Circuit

  • A cell gives energy to charges in a circuit.
  • When charge Q moves from A to B through a resistor, work done is V_AB × Q.
  • This electrical energy is converted into heat in the resistor.
2

Heating Effect of Electric Current

  • When current flows through a resistor, heat is produced.
  • Heating appliances use conductors with higher resistivity.
  • Nichrome is used in heater-cookers because it has higher resistivity.
3

Magnetic Effect of Electric Current

  • A current-carrying wire produces a magnetic field around it.
  • Oersted observed in 1820 that a magnetic needle near a current-carrying wire turns.
  • The magnetic field around a straight conductor becomes weaker as distance increases, if current stays the same.
4

Rules for Direction of Magnetic Field and Force

  • Right hand thumb rule tells the direction of magnetic field around a straight conductor.
  • Thumb shows current direction; curled fingers show magnetic field direction.
  • This rule is also called Maxwell's cork-screw rule.

Key Concepts

Central concept: Effects of electric current and their applications

Energy transfer in electric circuitHeating effect of electric currentElectrical power and energy unitsSafety in household wiringMagnetic effect of electric currentOersted's discoveryMagnetic field around a conductorMagnetic field of a loop and solenoid

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Frequently Asked Questions

What are the important topics in Effects of electric current for Maharashtra Board Class 10 Science?
Key topics in Effects of electric current include Energy Transfer in an Electric Circuit, Heating Effect of Electric Current, Magnetic Effect of Electric Current, Rules for Direction of Magnetic Field and Force. Study these first, then practise questions on each for the Maharashtra Board Class 10 board exam.
How should I revise Effects of electric current for the Maharashtra Board Class 10 board exam?
Learn the core ideas first, then work through the 45 practice questions on Effects of electric current. 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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All Maharashtra Board Class 10 Science Syllabus

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