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 electric bell uses an electromagnet.
Fill in the blank
The strength of the magnetic field of an electromagnet is increased by inserting a core of soft ______
What is an electromagnet?
Name the material of 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 ?
State two common uses of electromagnets ?
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 ?

The following diagram shows four circuits A, B, C and D. Each circuit has a cell and a torch bulb. Name the circuits in which the bulb will glow? Give reason to your answer.
Describe the construction and working of an electric bell with the help of a diagram.
