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When setting up an antenna, you typically align it with true north rather than magnetic north. This is because true north represents the fixed point of the Earth's rotational axis, while magnetic north can vary depending on your geographic location and local magnetic declination. Ensuring alignment with true north helps optimize signal reception and transmission, especially for satellite and directional antennas. Always check local resources for the precise angle to true north in your area.
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Where is the compass arrow always set?
The compass arrow is always set to point north, towards the Earth's magnetic north pole. It helps in navigation by indicating the direction of north, which is a crucial reference point for determining other directions.
What is the main difference between the north and south pole-?
In the North Pole the Artic has a natural melting cycle while in the South Pole its ice shelf has the same size and shape. Penguins live in the Southern Hemisphere while Polar Bears live in the Northern Hemisphere.
Are all ductile metals magnetic?
No, not all ductiles possess true magnetic properties. The main set of "magnetic" elements (not including those with paramagnetic or partial magnetic properties) are: iron, nickel, and cobalt For example, copper is very ductile, but is not magnetic.
Are there 3 North Poles?
There are five north poles and 4 south poles; I think I'd better elaborate on that:There is a magnetic north pole.A "centre of rotation" north pole - which is roughly the axis of rotation of the Earth (although because the Earth wobbles slightly, it isn't exactly on the axis).A geomagnetic pole - where the magnetic dipole of the Earth's magnetic field meets the surface.A magnetic north pole - where a compass would point straight down - this is different from the geomagnetic pole.A geographic north pole - the furthest point from any coast.The south pole has all the above, apart from the geographic pole as it is on land.There is also a town in Alaska called North Pole and an "additional" south pole, the ceremonial south pole; an area set aside for photo opportunities at the South Pole Station. It is located a short distance from the Geographic South Pole, and consists of a metallic sphere on a plinth, surrounded by the flags of the Antarctic Treaty signatory states.
What is a magnetic compass?
A magnetic compass has a needle mounted in a way that allows it to turn freely. Tis needle always lines up with Earth's magnetic field and points toward magnetic north. The needle is set over a diagram that shows east,south, and west. By knowing which way is north, a sailor can find the other diections. AA magnetic compass has a needle mounted in a way that allows it to turn freely. Tis needle always lines up with Earth's magnetic field and points toward magnetic north. The needle is set over a diagram that shows east,south, and west. By knowing which way is north, a sailor can find the other diections.
Why does a magnetic needle of a compass show true north in delhi and Mumbai but not in other parts of India?
This occurs because in Delhi and Mumbai, the magnetic declination (the angle between magnetic north and true north) is close to zero. In other parts of India, the magnetic declination deviates significantly from zero, causing the magnetic needle to not align with true north.
Why is it important to consider the angle of correction to the North Pole when setting up a sundial?
Assuming you are using a compass to align the sundial, it will point to the Magnetic North Pole. The Earth rotates about the True North Pole, which is not in the same location. By obtaining the magnetic variation for your locale, you can make the adjustment and have an accurate set up.
Where is the compass arrow always set?
The compass arrow is always set to point north, towards the Earth's magnetic north pole. It helps in navigation by indicating the direction of north, which is a crucial reference point for determining other directions.
What is the main difference between the north and south pole-?
In the North Pole the Artic has a natural melting cycle while in the South Pole its ice shelf has the same size and shape. Penguins live in the Southern Hemisphere while Polar Bears live in the Northern Hemisphere.
Are all ductile metals magnetic?
No, not all ductiles possess true magnetic properties. The main set of "magnetic" elements (not including those with paramagnetic or partial magnetic properties) are: iron, nickel, and cobalt For example, copper is very ductile, but is not magnetic.
Are there 3 North Poles?
There are five north poles and 4 south poles; I think I'd better elaborate on that:There is a magnetic north pole.A "centre of rotation" north pole - which is roughly the axis of rotation of the Earth (although because the Earth wobbles slightly, it isn't exactly on the axis).A geomagnetic pole - where the magnetic dipole of the Earth's magnetic field meets the surface.A magnetic north pole - where a compass would point straight down - this is different from the geomagnetic pole.A geographic north pole - the furthest point from any coast.The south pole has all the above, apart from the geographic pole as it is on land.There is also a town in Alaska called North Pole and an "additional" south pole, the ceremonial south pole; an area set aside for photo opportunities at the South Pole Station. It is located a short distance from the Geographic South Pole, and consists of a metallic sphere on a plinth, surrounded by the flags of the Antarctic Treaty signatory states.
What is a magnetic compass?
A magnetic compass has a needle mounted in a way that allows it to turn freely. Tis needle always lines up with Earth's magnetic field and points toward magnetic north. The needle is set over a diagram that shows east,south, and west. By knowing which way is north, a sailor can find the other diections. AA magnetic compass has a needle mounted in a way that allows it to turn freely. Tis needle always lines up with Earth's magnetic field and points toward magnetic north. The needle is set over a diagram that shows east,south, and west. By knowing which way is north, a sailor can find the other diections.
What is the purpose of antenna on a radio or TV set?
The purpose of an antenna on a radio or tv set is so that it can get signal so we can view tv or listen to the radio
How do you calculate magnetic declination?
The difference between True North and the direction that a magnetic compass points for a given location. Example: the magnetic declination for Seattle, Washington per the NOAA is 16° 55' east (as of 04/2010). This means that magnetic north is predicted at 16° 55'east of True North at that time.
How the FM radio works in mobile phones without any antenna?
i think our head set acted as antenna..
How to find directions in polar regions using a single method?
In polar regions, one common method to find directions is to use a magnetic compass. However, it is important to account for magnetic declination since the magnetic north pole is not the same as the true north pole in these regions. Additionally, using the position of the sun or stars during clear weather can also help determine directions in polar regions.
Will an amplified antenna improve a digital signal?
Yes, the amplified antenna will sometimes make the TV set work where a unpowered will not.
