$A$ stray magnetic field does $\underline{\text{NOT}}$ affect the deflection of a moving coil galvanometer because

  • A
    magnetic field inside the galvanometer is zero.
  • B
    magnetic field is equal to the earth's magnetic field.
  • C
    magnetic field inside the galvanometer is very strong.
  • D
    magnetic field inside the galvanometer is very weak.

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