CBSE · Class 10 · Science · Chapter 12

Magnetic Effects of Electric Current

Explore magnetic fields, electromagnets, electric motors, generators and the magnetic effects of current.

8 lessons 55 min
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Lessons in this chapter

  1. 1Magnetic Effects of Electric CurrentA wire carries current, and the nearby compass suddenly decides north is negotiable.
  2. 2Magnetic Field and Field LinesInvisible magnetic fields leave very visible clues when iron filings join the choreography.
  3. 3Magnetic Field due to a Current-Carrying ConductorThe current goes straight, but its magnetic field prefers running in circles.
  4. 4Magnetic Field due to a Current through a Circular LoopBend the wire into a loop and all its tiny magnetic contributions start cooperating.
  5. 5Magnetic Field due to a Current in a SolenoidA long coil behaves so much like a bar magnet that even the field lines do a double take.
  6. 6Force on a Current-Carrying Conductor in a Magnetic FieldPut current and a magnetic field together, and the wire may literally make a move.
  7. 7Domestic Electric CircuitsHome wiring keeps appliances parallel, safety serious and overloaded sockets very unpopular.
  8. 8Chapter Summary and PracticeEvery field, force and fuse returns for one final magnetic reunion.
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