Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Tungsten Aluminium Copper Nickel Tungsten Aluminium Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be 0.1 N 0.01 N 10 N 100 N 0.1 N 0.01 N 10 N 100 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400 Wb? 1,440 At/Wb 9,000 At/Wb 90,000 At/Wb 14,400 At/Wb 1,440 At/Wb 9,000 At/Wb 90,000 At/Wb 14,400 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permanent magnet Attracts ferromagnetic substances and repels all others Attracts only ferromagnetic substances Attracts all paramagnetic substances and repels others Attracts some substances and repels others Attracts ferromagnetic substances and repels all others Attracts only ferromagnetic substances Attracts all paramagnetic substances and repels others Attracts some substances and repels others ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by By inductive action of another magnet Hammering All of the listed here Heating By inductive action of another magnet Hammering All of the listed here Heating ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are materials. None of the listed here Ferromagnetic Diamagnetic Paramagnetic None of the listed here Ferromagnetic Diamagnetic Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
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