in an overhead straight wire, the current is towards north. the magnetic field due to current, at our point of observation is towards
a. east
b. north
c. down
d. west
please please give the explanation also

  • Right hand thumb rule: It is used to find the direction of magnetic field due to a current carrying wire. Imagine a current carrying conductor is held in your right hand such that thumb points the direction of current. Then, the direction of folding of fingers gives the direction of magnetic field.
  • In the given problem, the direction of current is towards north. Then. the direction of magnetic field is towards east.

  • -2
towards east. Applying Right Hand Thumb Rule.
  • 2
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