(C) current-carrying solenoid behaves exactly like a bar magnet. The magnetic field lines inside a solenoid are parallel to the axis,indicating a unif

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The pattern of its magnetic field lines is different from that of a bar magnet.

(C) current-carrying solenoid behaves exactly like a bar magnet. The magnetic field lines inside a solenoid are parallel to the axis,indicating a uniform magnetic field. When a soft iron rod is placed inside,it becomes an electromagnet. The pattern of magnetic field lines for a solenoid is identical to that of a bar magnet,not different. Therefore,statement $C$ is incorrect.

Class 10 Science Magnetic Effects of Electric Current Mix Examples - Magnetic Effects of Electric Current

Easy

Which of the following statements is incorrect for a current-carrying solenoid?

A
The magnetic field at all points inside the solenoid is uniform.
B
It acts as a magnet when a soft iron core is placed inside it to produce a strong magnetic field.
C
The pattern of its magnetic field lines is different from that of a bar magnet.
D
Reversing the direction of the current in the solenoid reverses the positions of its $N$ and $S$ poles.