Advertisements
Advertisements
Question
What do you understand by the term magnetic declination?
Advertisements
Solution
Magnetic declination: The angle through which freely suspended magnetic needle is inclined to the geographic axis is known as magnetic declination.
OR
The angle between the geographic meridian and magnetic meridian it is given place is called declination.
APPEARS IN
RELATED QUESTIONS
State three important uses of a magnet.
When magnetic material is taken close to a magnet, the material acquires ______.
Fill the blank spaces in the table given below:
| Nature of bar | Action of compass needle | |
| North Pole | South Pole | |
| Non-magnetic | No action | ________ |
| ________ | attracted | attracted |
| North pole of a bar magnet | ________ | _________ |
| ________ | attracted | repelled |
There are two knitting needles. One of them is magnetized. How will you find out which one is magnetized, if no other magnet is available?
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic south.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
What is the material of darkened part?
What are magnetic keepers? What are they used for?
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
What is meant by electrostatic induction? You have been given two metal containers A and Band a positively charged body X. With the help of a diagram, explain the different stages of charging - A positively, and B negatively.
State the laws of magnetism.
