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Physics CBSE Live product
Class 10 (2025-26)
Magnetic effects of electric current
Magnetic field through a straight conductor and circular loop
2.
Magnetic field due to current carrying conductor
Question:
4
m.
1
.
Which of the following correctly describes the magnetic field near a long straight wire?
The field consists of straight lines perpendicular to the wire
The field consists of straight lines parallel to the wire
The field consists of radial lines originating from the wire
The field consists of concentric circles centred on the wire
2
.
Which of the following is necessary to produce a magnetic field around a wire?
Magnetic Compass only
Copper wire alone
Iron nail touching the wire
Electric current through the wire
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