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Sahay Sir > Question Answers > NCERT Exemplar Class 12 > Physics > Chapter 4 - Moving Charges and Magnetism > The overhead power line is considered as an infinite length wire so use the formula to find the magnetic field at a point due to infinite length wire.

The overhead power line is considered as an infinite length wire so use the formula to find the magnetic field at a point due to infinite length wire.

The overhead power line is considered as an infinite length wire so use the formula to find the magnetic field at a point due to infinite length wire.