Advertisements
Advertisements
प्रश्न
Fill in the blank
An electromagnet is used to separate large mass of ______ scrap.
Advertisements
उत्तर
An electromagnet is used to separate large mass of iron scrap.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
An electromagnet with soft iron core is a temporary magnet.
Fill in the blank
The strength of the magnetic field of an electromagnet is increased by inserting a core of soft ______
Select the correct alternative
An electromagnet is used in
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 ?
Name a domestic device in which an electromagnet is used ?
Describe the construction and working of an electric bell with the help of a diagram.
