compasses have Mineral Oil filled Needle Housings, with steel needles that pivot on a sapphire bearing
The light mineral oil is there to damp the needle (stop the needle swinging too loosely) and it has to withstand freezing (because compasses are used in cold places).
The predominate liquid used inside a filament transformer is mercury. Mercury is used to keep the transformer cool when under heavy use. Mercury is a cheap and long lasting liquid.
The prismatic compass is a type of compass use for survering a land.
M9 paper is used to detect liquid chemical agents such as blister or nerve agents.
A compass is used by various people in different fields to know their location and destination. The most common professions that use a compass are pilots, ship captains and also geographers.
In a DC circuit yes. The compass detects the magnetic field around the wire. Reverse the DC current and the compass will swing 180 degrees from the position is was in.
take the dog to the vet and buy a new one.
In the compass held inside a plastic ball filled with liquid on the dashboard:)
it is liquid chemical.
Inside a glow stick, there is a liquid chemical, which could be glowing only once.
Yes.
Inside a glow stick, there is a liquid chemical, which could be glowing only once.
chemical change,because the liquid form inside the ice candy plastic,changed into a solid particles and getting iced.
a needle
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.
'Liquid' is a chemical term, used to mean anything in a liquid state.
A liquid is a compound or a mixture; the chemical composition is representative for this liquid.
The first compass was invented around the year 1044. Modern liquid magnetic compasses stem from the mariners compass that was invented in Europe around 1190.