Check sibling questions

Which of the following correctly describes the magnetic field near a long straight current carrying 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.

 

Answer:

The field consists of concentric circles centred on the wire.

 

Explanation - When electric current is carried by a straight wire, it produces magnetic field lines in the form of concentric circles.

magnetic-field-in-a-straight-current-carrying-conductor---teachoo.jpg

Introducing your new favourite teacher - Teachoo Black, at only ₹83 per month

CA Maninder Singh's photo - Expert in Practical Accounts, Taxation and Efiling

Made by

CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo