Advertisements
Advertisements
प्रश्न
Name the material of an electromagnet?
Advertisements
उत्तर
Iron bar, insulated copper wire, battery.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
An electromagnet with soft iron core is a temporary magnet.
Select the correct alternative
An electromagnet is used in
Select the correct alternative
The purpose of armature in an electric bell is
What is an electromagnet?
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 ?
The incomplete diagram of an electric bell is given in fig. Complete the diagram and label its different parts ?
