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True or False The strength of the magnetic poles in an electromagnet decreases with an increase in the number of turns of wire and the current flowing through them.?
False. The strength of the magnetic poles in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them. This is because both factors contribute to a stronger magnetic field being generated by the electromagnet.
How do the north and south poles of a solenoid change with the direction of current flow?
The north and south poles of a solenoid change depending on the direction of the current flow. When the current flows in one direction, the north pole of the solenoid is at one end and the south pole is at the other end. If the current flows in the opposite direction, the poles switch places, with the south pole at the end where the north pole was and vice versa.
What happen to an electromagnet's field if the direction of the current ic reversed?
If the direction of the current in an electromagnet is reversed, the direction of the magnetic field surrounding the electromagnet will also reverse. This change in direction will affect the polarity of the electromagnet, causing its north and south poles to switch.
How is a coil of wire that carries a current similar to a bar magnet?
A coil of wire carrying a current generates a magnetic field, similar to a bar magnet. Both have north and south poles, with the direction of the magnetic field lines determined by the direction of the current flow in the wire or the orientation of the bar magnet's poles.
What do north and south poles of a solenoid change with?
The north and south poles of a solenoid change with the direction of electric current passing through the coil. When current flows in one direction, one end becomes the north pole and the other end becomes the south pole. Reversing the direction of current will reverse the polarity of the solenoid.
Why do holes in the ozone layer happen to be located closer to the poles?
The hole in the ozone layer happen to be closer to the poles. It is because the ozone depletion occurs in very low temperatures which can only be obtained at the poles.
Does temperature increase as latitude decrease?
No, temperatures generally decrease as latitudes increase. The equator (30° to 40°C) is 0° latitude while the poles (0° to -40°C) are at 90° latitude.
What are the temperatures at the poles in July?
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How do temperatures at Earths equator compare to the temperatures at the poles?
Temperatures at Earth's equator are generally warmer than temperatures at the poles. This is because sunlight is more concentrated at the equator, leading to more heat absorption. In contrast, at the poles, sunlight hits the Earth at a lower angle, causing the energy to be spread out over a larger area and resulting in colder temperatures.
Why do global temperatures increase towards the equator?
Global temperatures increase towards the equator due to the more direct angle of the sun's rays, which results in more concentrated solar energy. This leads to higher temperatures as the equatorial regions receive more sunlight throughout the year compared to regions closer to the poles.
How can ocean current affect the temperature and the amount of moisture of the air mass above the current and above nearby coastlines?
Warm currents bring warm temperatures to the poles, and cold currents bring cold temperatures to the equator to become warm again. Once warm, they return to the poles again. This process repeats in some currents forever. Most currents are circular.
What causes the global convection current between the equator and the polls?
The difference in temperatures between the Equator and the north and south poles, plus the rotation of the earth, causes the air currents.
True or False The strength of the magnetic poles in an electromagnet decreases with an increase in the number of turns of wire and the current flowing through them.?
False. The strength of the magnetic poles in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them. This is because both factors contribute to a stronger magnetic field being generated by the electromagnet.
Are the oceans cold at the poles of the equator?
The oceans are colder at the poles compared to the equator. Near the poles, polar regions experience colder temperatures and often have sea ice present, while the equator receives direct sunlight and is warmer, leading to higher ocean temperatures.
On which type of map does distortion increase with distance from the poles?
what is the poles distance of space and matter.
What causes the global air convection current between the equator and the polls?
The difference in temperatures between the Equator and the north and south poles, plus the rotation of the earth, causes the air currents.
Why is the ozone problem worse in Antarctica?
It is because ozone depletion requires low temperatures. These temperatures can be found out at poles.
