Advertisements
Advertisements
प्रश्न
Select the correct alternative
An electromagnet is used in
विकल्प
electric oven
ammeter
electric bell
radio set
Advertisements
उत्तर
electric bell
APPEARS IN
संबंधित प्रश्न
Fill in the blank
The strength of the magnetic field of an electromagnet is increased by inserting a core of soft ______
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 ways by which the strength of the magnetic field of an electromagnet can be increased?
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.
