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The Core
The core consists of two parts: the inner core and outer core. The outer core begins about 2,900 kilometers below the earth's surface. Scientists believe that the outer core is about 2,250 kilometers thick and is made of melted iron and nickel. The ..
The core consists of two parts: the inner core and outer core. The outer core begins about 2,900 kilometers below the earth's surface. Scientists believe that the outer core is about 2,250 kilometers thick and is made of melted iron and nickel. The ..Dual-purpose breed
These cows are good milk yielders and the bullocks are good draught workers. Farmers in villages, domesticate draught and dual-purpose breeds because they fulfil their needs. They provide enough milk to support a family and help in ploughing the fields or drawing water from the wells. Th..
Dual Nature of Radiation and Matter
When light of sufficiently small wavelength is incident on a metal surface, electrons are ejected from the metal. This phenomenon is called as 'photoelectric effect' and the ejected electrons are called as 'photoelectrons..
Dual Nature of Matter and Radiation
Light has been regarded as waves to explain the phenomena of reflection, refraction, diffraction etc. However in 1905, Albert Einstein suggested that light has a dual character, which means, it can behave as a particle as well as a wave. It was observed that some of the experimental..
Dual Nature of Matter and Radiation
Dual Nature of Matter and Radiation - Light has been regarded as waves to explain the phenomena of reflection, refraction, diffraction etc. However in 1905, Albert Einstein suggested that light has a dual character, which means, it can behave as a particle as well as a wave. It ..
..Inserting an iron core increases the strength of the field
On comparing the two-field pattern, the current carrying solenoid from outside resembles a bar magnet. Inside the solenoid there is a strong magnetic field, which can magnetise a specimen. Solenoid is hollow from inside whereas the bar magnet is solid. Here we note the close similarity between the..
On comparing the two-field pattern, the current carrying solenoid from outside resembles a bar magnet. Inside the solenoid there is a strong magnetic field, which can magnetise a specimen. Solenoid is hollow from inside whereas the bar magnet is solid. Here we note the close similarity between the..Duality
Two logical equivalences are said to be dual of each other with respect to two connectives if one equivalence can be obtained by the other equivalence, just by interchanging the connective..
Magnetism and Matter Problems - Numerical 06
06. - The core of a toroid having 3000 turns has inner and outer radii of 11 cm and 12 cm respectively. The magnetic field in the core for a current of 0.70 A is 2.5 T. What is the relative permeability of the cor..
Electromagnet
An electromagnet can be defined as a soft-iron core that is magnetised temporarily by passing a current through a coil of wire wound on the cor..
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