Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Aluminium Copper Tungsten Nickel Aluminium Copper Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 10 AT 8 AT 4 AT 16 AT 10 AT 8 AT 4 AT 16 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a force of attraction a downward force no force a force of repulsion a force of attraction a downward force no force a force of repulsion 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 What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2? 91 T 91.7 T 917 T 9.7 T 91 T 91.7 T 917 T 9.7 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A material which is slightly repelled by a magnetic field is known as diamagnetic material paramagnetic material ferromagnetic material conducting material diamagnetic material paramagnetic material ferromagnetic material conducting material ANSWER DOWNLOAD EXAMIANS APP
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