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What is the effect of inserting a soft i...

What is the effect of inserting a soft iron core inside a current-carrying solenoid?

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State qualitatively the effect of inserting an iron core into a current-carrying solenoid.

Magnetic lines of force inside a current carrying solenoid are

Magnetic lines of force inside a current carrying solenoid are

(a) What is a solenoid ? Draw a sketch to show the magnetic field pattern produced by a current-carrying solenoid. (b) Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles. (c ) What is the shape of field lines inside current-carrying solenoid ? What does the pattern of field lines inside a current-carrying solenoid indicate ? (d) List three ways in which the magnetic field strength of a current-carrying solenoid can be increased ? (e) What type of core should be put inside a current-carrying solenoid to make an electromagnet ?

What is the purpose of using soft iron core in galvanometer.

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

When an iron placeis introuduced inside a current - carrying solenoid the mangetic field of the solenoid ……… .