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Get Answers to all your Questions
Q. 1. Which of the following correctly describes the magnetic field near a long straight wire?
(a) The field consists of straight lines perpendicular to the wire.
(b) The field consists of straight lines parallel to the wire.
(c) The field consists of radial lines originating from the wire.
(d) The field consists of concentric circles centred on the wire.
Answers (1)
The magnetic field lines around any current-carrying wire are concentric circle in nature, the centre of whose circle lies in the wire.
Hence option (d) is correct.
View full answer
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