Permanent Magnets and Electromagnets
Permanent Magnets and Electromagnets: Overview
This topic covers concepts, such as Permanent Magnet, Electromagnets, Transformer Cores and Telephone Diaphragms.
Important Questions on Permanent Magnets and Electromagnets
The best material to make permanent magnets is
Strength of an electromagnet can be increased by
What is the material best suited in making electro-magnets?
Which material is commonly used for packaging perishable products?
What is the name of the alternative therapy that uses magnets to improve health?
In which year was the Permanent Settlement introduced?
Which class of people were recognized as the revenue collectors under the Permanent Settlement?
In which year was the Permanent Settlement of Bengal introduced?
Which system of land revenue was introduced by Akbar?
The Permanent Settlement was introduced in Bengal during the tenure of which Governor-General?
Which constitutional article was primarily used to declare the Emergency in India?
The desirable properties for making permanent magnets are
Curie temperature is the temperature above which
The core of electromagnet is
The materials suitable for making electromagnets should have
