Consider the magnetic field due to the current in the wire
shown in Figure 30.2. Rank the points A, B, and Cin terms of magnitude of the
magnetic field that is due to the current in just the length element ds shown
• from greatest to least.
Figure 30.2 (Quick Quiz 30.1)
Where is the magnetic field due to
the current element the greatest?
Answers
Answer:
Map 1 and Map 2 represent two different times. Map 1 was made in 1154 CE by al-Idrisi, an Arab geographer. This section is a detail of the Indian subcontinent from his larger map of the world. Map 2 was made by a French cartographer in 1720. Both maps are quite different from each other, even though they represent the same area. In Map 1 we find south India at the place where we would expect to find north India and Sri Lanka is the island at the top. The place names are in Arabic. Some familiar places like Kanauj in Uttar Pradesh have been spelled as Qanauj. In comparison to this Map 2 was made nearly 600 later after Map 1. By that time information about the subcontinent had changed a lot. This map appears to be more familiar to us. The coastal areas, particularly, are more detailed.
Answer:
The magnetic field due to the current in the wire
Explanation:
A magnetic discipline is a vector field that describes the magnetic affect on moving electric charges, electric currents, and magnetic substances. A transferring charge in a magnetic area experiences a force perpendicular to its very own pace and to the magnetic discipline. ch13 278 A everlasting magnet's magnetic area pulls on ferromagnetic substances inclusive of iron, and attracts or repels different magnets. similarly, a magnetic discipline that varies with area will exert a pressure on a variety of non-magnetic materials by affecting the motion of their outer atomic electrons. Magnetic fields surround magnetized materials, and are created by means of electric powered currents such as those utilized in electromagnets, and with the aid of electric powered fields various in time. when you consider that each electricity and course of a magnetic discipline can also vary with place, it's miles described mathematically via a characteristic assigning a vector to every point of space, known as a vector discipline.
In electromagnetics, the term "magnetic area" is used for 2 wonderful however intently related vector fields denoted through the symbols B and H. in the worldwide system of devices, H, magnetic discipline electricity, is measured within the SI base devices of ampere in line with meter (A/m): 22 B, magnetic flux density, is measured in tesla (in SI base gadgets: kilogram in line with second2 consistent with ampere),21 which is equivalent to newton per meter according to ampere. H and B differ in how they account for magnetization. In a vacuum, the two fields are associated thru the vacuum permeability,
Magnetic fields are produced by moving electric expenses and the intrinsic magnetic moments of essential debris associated with a fundamental quantum assets, their spin.ch1 Magnetic fields and electric fields are interrelated and are each additives of the electromagnetic force, one of the 4 fundamental forces of nature.
Magnetic fields are used throughout modern era, specifically in electric engineering and electromechanics. Rotating magnetic fields are utilized in both electric powered motors and generators. The interplay of magnetic fields in electric powered gadgets together with transformers is conceptualized and investigated as magnetic circuits. Magnetic forces provide statistics approximately the price providers in a cloth thru the hall effect. The Earth produces its very own magnetic area, which shields the Earth's ozone layer from the sun wind and is essential in navigation using a compass.
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