Magnetism and Electromagnetism The left hand rule correlates to Magnetic field, electric field and direction of force on a conductor Current, induced e.m.f. and direction of force on a conductor Self induction, mutual induction and direction of force on a conductor Current, magnetic field and direction of force on a conductor Magnetic field, electric field and direction of force on a conductor Current, induced e.m.f. and direction of force on a conductor Self induction, mutual induction and direction of force on a conductor Current, magnetic field and direction of force on a conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of a magnetic field within a magnet is front to back back to front from south to north from north to south front to back back to front from south to north from north to south ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. Ferromagnetic None of the listed here Dielectric Diamagnetic Ferromagnetic None of the listed here Dielectric Diamagnetic 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 16 AT 4 AT 8 AT 10 AT 16 AT 4 AT 8 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 600 T 6 T 6,000 T 600 T 600 T 6 T 6,000 T 600 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Transformers Non-magnetic substances Electromagnets Permanent magnets Transformers Non-magnetic substances Electromagnets Permanent magnets ANSWER DOWNLOAD EXAMIANS APP