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Is it possible to use compass needle at the poles?
Yes it is possible to use compass needle at the poles
How local attraction affect the use of prismatic compass survey?
Local attractions such as buildings or metal objects can affect the accuracy of a prismatic compass survey by causing magnetic interference. This interference can lead to errors in compass readings and, consequently, inaccurate survey measurements. To minimize these effects, surveyors should identify and account for local attractions during their surveys, employing techniques such as taking multiple readings and using a declination correction.
What the best material to use as a compass needle?
Aluminum or steel.
What kind of energy does a compass use?
Magnetic energy
What type of people who use a compass?
Adventurers and explorers use a compass
What tool would you use to detect magnetic effects?
A magnetic needle meter, or a simple compass.
What is the function of liquid chamber in a magnetic compass?
The liquid is there to dampen the movement of the needle. Without the liquid, the needle would spin and jiggle about rapidly. Hence the need to slow the movement down - it makes the compass easier to use.
What is the difference between an Australian compass and British compass?
The needle of a compass must be free to rotate so that it can point to magnetic north. The magnetic field of the earth not only rotates the compass needle horizontally but also pulls one end down. If it pulls the needle down it can stop it from turning freely so on many compasses the needle is balanced for use in a specific zone. There are 5 zones. Austraila and Britain are in different zones. This means the needle may not be level if used in the other's zone. Needles are balanced by making one end of the needle longer or by adding weight to one end of the needle.
How do you identify the north and south pole of a magnet?
Use a compass. It's needle points to the south pole of a magnet.
What is the principle of compass surveying?
The prismatic compass is a type of compass use for survering a land.
What is the arrow in a compass made of?
The compass needle is made of a small piece of magnetized steel, that in use aligns itself parallel with the lines of magnetic force at your location.In the northern hemisphere, by and large, the N painted end of the needle will point towards the North Pole.In the Southern Hemisphere, by and large, the S pole of the needle will point to the South Pole. (For it is the strongest there.)Because the compass needle will follow the lines of force, and these lines dip into the earth, compasses designed for use in the N hemisphere will have a small counter balancing weight to bring the needle to level.Analogously for compasses designed for use in the southern hemisphere.For people who wish to use their compass anywhere on the Earth, (such as military) they will have a slightly insensitive needle, and a more massive plate or dial.Having the dial (or card) immersed in a slightly viscous fluid will help steady the swinging of the needle.It is made from any magnetic material such as steel
How will you distinguish magnets from non-magnetized magnetic material?
You can use a device that detects magnetism. A compass needle may suffice.
