Q33 of 238 Page 83

A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid:

when soft iron bar is inserted inside a current carrying solenoid then it increases the magnetic field inside the solenoid.

More from this chapter

All 238 →
31

The most suitable material for making the core of an electromagnet is:

 32

The magnetic effect of current was discovered by:

 34

The magnetic field lines in the middle of the current-carrying solenoid are :

 35

The front face of a circular wire carrying current behaves like a north pole. The direction of current in this face of the circular wire is: