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प्रश्न
Write true or false for a given statement.
An electric bell uses an electromagnet.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Fill in the blank
An electromagnet is used to separate large mass of ______ scrap.
Select the correct alternative
An electromagnet is used in
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 ?
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.
