Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. Ferromagnetic Dielectric None of the listed here Diamagnetic Ferromagnetic Dielectric None of the listed here Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has Dipole moment None of the listed here Monopole moment Both dipole and monopole moment Dipole moment None of the listed here Monopole moment Both dipole and monopole moment ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 0.25 AT/m 2500 AT/m 250 AT/m 25 AT/m 0.25 AT/m 2500 AT/m 250 AT/m 25 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Aluminium Tungsten Copper Nickel Aluminium Tungsten Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Decreases None of the listed here Remain same Increases Decreases None of the listed here Remain same Increases 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? 4 AT 10 AT 8 AT 16 AT 4 AT 10 AT 8 AT 16 AT ANSWER DOWNLOAD EXAMIANS APP