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? 9.7 T 91 T 91.7 T 917 T 9.7 T 91 T 91.7 T 917 T 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 repulsion no force a downward force a force of attraction a force of repulsion no force a downward force a force of attraction ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The left hand rule correlates to Current, magnetic field and direction of force on a conductor Current, induced e.m.f. and direction of force on a conductor Magnetic field, electric field 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 Current, induced e.m.f. and direction of force on a conductor Magnetic field, electric field and direction of force on a conductor Self induction, mutual induction and direction of force on a conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following type of materials are not very important for engineering applications? Diamagnetic material None of the listed here Paramagnetic material Ferro magnetic material Diamagnetic material None of the listed here Paramagnetic material Ferro magnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of a magnetic field within a magnet is from south to north from north to south front to back back to front from south to north from north to south front to back back to front 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 Be excessive Remain Constant Decrease Increase Be excessive Remain Constant Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
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