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Solenoid or toroid

Exercise and reference answers

Left
Solenoid
Items
  1. Item
    Straight coil
    Answer
    Solenoid
  2. Item
    Open at both ends
    Answer
    Solenoid
  3. Item
    Field along axis
    Answer
    Solenoid
  4. Item
    Hollow ring
    Answer
    Toroid
  5. Item
    Closes on itself
    Answer
    Toroid
  6. Item
    Bent solenoid
    Answer
    Toroid
Right
Toroid
Instructions
Swipe left for solenoid, right for toroid.

Explanation

_Source: syllabus Physics Part I, Chapter 4, Moving Charges and Magnetism._
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