Q22 of 238 Page 82

List three ways in which the magnetic field strength of a current-carrying solenoid can be increased?

Following are the three ways of increasing the strength of the magnetic field of current carrying solenoid:

i) Increasing the current flowing through the coil of solenoid.


ii) Increasing the number of turns in he solenoid.


iii) Using soft iron core in he solenoid.


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Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles.

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What type of core should be put inside a current-carrying solenoid to make an electromagnet ?

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What is an electromagnet? Describe the construction and working of an electromagnet with the help of a labelled diagram.