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(a) What is a magnetic field? How can the direction of magnetic field lines at a place be determined?(b) State the rule for the direction of the magnetic field produced around a current-carrying conductor. Draw a sketch of the pattern of field lines due to a current flowing through a straight conductor. |
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Answer» (a) What is a magnetic field? How can the direction of magnetic field lines at a place be determined? (b) State the rule for the direction of the magnetic field produced around a current-carrying conductor. Draw a sketch of the pattern of field lines due to a current flowing through a straight conductor. |
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