Earths magnetic field does not affect working of moving coil galvanometer. Why?
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The Earth's magnetic field is very small in magnitude and barely changes with time.
As Emf(induced)=d/dt(magnetic flux)
The uniform and constant magnetic field of Earth is unable to induce any considerable EMF in the moving coil of the galvanometer.
As Emf(induced)=d/dt(magnetic flux)
The uniform and constant magnetic field of Earth is unable to induce any considerable EMF in the moving coil of the galvanometer.
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