Advertisements
Advertisements
Question
Fill in the blank
The strength of the magnetic field of an electromagnet is increased by inserting a core of soft ______
Advertisements
Solution
The strength of magnetic field of an electromagnet is increased by inserting a core of soft iron.
APPEARS IN
RELATED QUESTIONS
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 electromagnet with soft iron core is a temporary magnet.
Select the correct alternative
The purpose of armature in an electric bell is
Name the material of an electromagnet?
Draw a labelled diagram to make a soft iron bar as an electromagnet. Describe in steps the procedure ?
You are given a U shaped soft iron piece, insulated copper wire and a battery. Draw a circuit diagram to make a horse shoe electromagnet ?
Name two factors on which the strength of magnetic field of an electromagnet depends ?
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 ?
