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ICSE Class 10 Physics Question 14 of 136

Electro-magnetism — Question 4

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Question

Question 4

According to the right hand thumb rule, the thumb points in the direction of ............... and fingers encircle the wire in direction of ...............

  1. magnetic field lines, current
  2. electric field lines, current
  3. current, magnetic field lines
  4. none of the above
Answer

current, magnetic field lines

Reason — According to the right hand thumb rule, the thumb points in the direction of current and fingers encircle the wire in direction of magnetic field lines.