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 4 AT 16 AT 8 AT 10 AT 4 AT 16 AT 8 AT 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 Remain same None of the listed here Increases Decreases Remain same None of the listed here Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following type of materials are not very important for engineering applications? Ferro magnetic material Diamagnetic material Paramagnetic material None of the listed here Ferro magnetic material Diamagnetic material Paramagnetic material None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect reluctance of conductor None of these both of the listed here resistance of conductor reluctance of conductor None of these both of the listed here resistance of conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as A line vertical to the flux lines A line of magnetic flux which does not follow the designed path A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil A line vertical to the flux lines A line of magnetic flux which does not follow the designed path A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage decreases remains unchanged increases reverses polarity decreases remains unchanged increases reverses polarity ANSWER DOWNLOAD EXAMIANS APP