Magnetism and Electromagnetism The direction of a magnetic field within a magnet is from north to south from south to north back to front front to back from north to south from south to north back to front front to back ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The use of permanent magnets is. not made in Loud speakers Transformers None of the listed here Energy meters Loud speakers Transformers None of the listed here Energy meters ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Magnetic potential Flux density Magnetic field intensity Relalative permeability Magnetic potential Flux density Magnetic field intensity Relalative permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path little lower zero higher little lower zero higher 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 8 AT 16 AT 10 AT 4 AT 8 AT 16 AT 10 AT 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? Increases Remains same First increases and then decreases depending on the depth of iron in¬sertion Decreases Increases Remains same First increases and then decreases depending on the depth of iron in¬sertion Decreases ANSWER DOWNLOAD EXAMIANS APP