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प्रश्न
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 ?
उत्तर
End A becomes S-pole and B becomes N-pole.
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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
Electromagnets are made up of
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?
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 ?
Describe the construction and working of an electric bell with the help of a diagram.
