Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Copper Aluminium Nickel Tungsten Copper Aluminium Nickel Tungsten ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The left hand rule correlates to Magnetic field, electric field and direction of force on a conductor Current, magnetic field and direction of force on a conductor Self induction, mutual induction 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 Current, magnetic field and direction of force on a conductor Self induction, mutual induction and direction of force on a conductor Current, induced e.m.f. and direction of force on a conductor 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? 16 AT 8 AT 4 AT 10 AT 16 AT 8 AT 4 AT 10 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)? 180 270 360 90 180 270 360 90 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 Decrease Increase None of the listed here Is zero Decrease Increase None of the listed here Is zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density decreases remains the same doubles increases decreases remains the same doubles increases ANSWER DOWNLOAD EXAMIANS APP