MEDIUM
NEET
IMPORTANT
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Two infinite length wires carry equal current and placed along x and y-axis respectively. At which points the resultant magnetic field is zero ?
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Important Questions on Magnetic Effect of Current
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IMPORTANT
For given current distribution, each infinite length wire produces magnetic field ’B’ at origin then resultant magnetic field at origin ’O’ is :-
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A circular coil of one turn in formed by a Length wire, which carries a current of . The magnetic field at the centre of coil is :-
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A length of wire carries a steady current, is bent first to form a plane circular coil of one turn, same length now bent more sharply to give three turns of smaller radius. Magnetic field becomes :-
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Two concentric co-planner coils of equal turns have radii and Respectively. Same current flowing in both the coils in same direction. Now direction of current is reversed in one coil then ratio of magnetic field at their common centre in two conditions respectively :-
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Two concentric co-planar coils of turns and have radii ratio , respectively. Equal currents in both the coils flow in opposite directions. If net magnetic field is zero at their common centre, then is,
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Find out magnetic field at point ’O’ for the following current distributions.
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Find out magnetic field at point for the following current distributions.
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IMPORTANT
Find out magnetic field at point for the following current distributions.
