Advertisements
Advertisements
Question
Select the correct alternative
An electromagnet is used in
Options
electric oven
ammeter
electric bell
radio set
Advertisements
Solution
electric bell
APPEARS IN
RELATED QUESTIONS
Write true or false for a given statement.
In an electromagnet, the core is made up of copper.
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 ______
Select the correct alternative
The purpose of armature in an electric bell is
Draw a labelled diagram to make a soft iron bar as an electromagnet. Describe in steps the procedure ?
State two ways by which the strength of magnetic field of an electromagnet can be increased ?
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 ?
Describe the construction and working of an electric bell with the help of a diagram.
