Magnetism and Electromagnetism The commonly used material for shielding or screening magnetism is Soft iron Brass Aluminium Copper Soft iron Brass Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density increases Core length increases Core area increases Flux density decreases Flux density increases Core length increases Core area increases Flux density decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for ferromagnetic substances non-magnetic substances None of these diamagnetic substances ferromagnetic substances non-magnetic substances None of these diamagnetic substances ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart ? 22 x 10-6 N 22 x 10"5 N 22 x 10"7 N 22 x 10"8 N 22 x 10-6 N 22 x 10"5 N 22 x 10"7 N 22 x 10"8 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. None of the listed here Dielectric Diamagnetic Ferromagnetic None of the listed here Dielectric Diamagnetic Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Non-magnetic substances Permanent magnets Electromagnets Transformers Non-magnetic substances Permanent magnets Electromagnets Transformers ANSWER DOWNLOAD EXAMIANS APP
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