Advertisements
Advertisements
प्रश्न
Fill in the blank
The strength of the magnetic field of an electromagnet is increased by inserting a core of soft ______
Advertisements
उत्तर
The strength of magnetic field of an electromagnet is increased by inserting a core of soft iron.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
In an electromagnet, the core is made up of copper.
Write true or false for a given statement.
An electric bell uses an electromagnet.
Select the correct alternative
Electromagnets are made up of
Select the correct alternative
An electromagnet is used in
Name the material of an electromagnet?
State two ways by which the strength of magnetic field of an electromagnet can be increased ?
State two common uses of electromagnets ?
Name a domestic device in which an electromagnet is used ?
Draw a neat and labelled diagram of an electric bell and describe its working ?
Describe the construction and working of an electric bell with the help of a diagram.
