Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. Diamagnetic Ferromagnetic None of the listed here Dielectric Diamagnetic Ferromagnetic None of the listed here Dielectric ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil? Remains same Increases Decreases First increases and then decreases depending on the depth of iron in¬sertion Remains same Increases Decreases First increases and then decreases depending on the depth of iron in¬sertion ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage Increase None of the listed here Is zero Decrease Increase None of the listed here Is zero Decrease ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by Induction Rubbing with another magnet The use of permanent magnet Placing it inside a coil carrying current Induction Rubbing with another magnet The use of permanent magnet Placing it inside a coil carrying current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Flux density Magnetic field intensity Relalative permeability Magnetic potential Flux density Magnetic field intensity Relalative permeability Magnetic potential ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 0.24 AT 24 AT 2.4 AT 240 AT 0.24 AT 24 AT 2.4 AT 240 AT ANSWER DOWNLOAD EXAMIANS APP