Magnetism and Electromagnetism The materials having low retentivity are suitable for making Permanent magnet None of the listed here Weak magnet Temporary Magnet Permanent magnet None of the listed here Weak magnet Temporary Magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Kirchhoff's law Lenz's law Ampere's law Faraday's laws Kirchhoff's law Lenz's law Ampere's law Faraday's laws ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the reluctance of a material that has a length of 0.07 m, a cross-sectional area of 0.014 m2, and a permeability of 4,500 Wb/At × m? 111 At/Wb 1 At/Wb 1111 At/Wb 11 At/Wb 111 At/Wb 1 At/Wb 1111 At/Wb 11 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Diamagnetic material Paramagnetic material Ferrits Ferromagnetic material Diamagnetic material Paramagnetic material Ferrits Ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The commonly used material for shielding or screening magnetism is Brass Copper Aluminium Soft iron Brass Copper Aluminium Soft iron ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Aluminium Copper Nickel Tungsten Aluminium Copper Nickel Tungsten ANSWER DOWNLOAD EXAMIANS APP
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