Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the magnetic field expands direction of the magnetic field remains unchanged direction of the magnetic field reverses magnetic field collapses magnetic field expands direction of the magnetic field remains unchanged direction of the magnetic field reverses magnetic field collapses ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetic moment is a universal constant vector quantity pole strength scalar quantity universal constant vector quantity pole strength scalar quantity 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"5 N 22 x 10"7 N 22 x 10-6 N 22 x 10"8 N 22 x 10"5 N 22 x 10"7 N 22 x 10-6 N 22 x 10"8 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Relalative permeability Flux density Magnetic potential Magnetic field intensity Relalative permeability Flux density Magnetic potential Magnetic field intensity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Copper Tungsten Aluminium Nickel Copper Tungsten Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for permeability is Wb/At × m Wb At/Wb At/m Wb/At × m Wb At/Wb At/m ANSWER DOWNLOAD EXAMIANS APP
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