Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density increases doubles remains the same decreases increases doubles remains the same decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Magnetic potential Magnetic field intensity Flux density Relalative permeability Magnetic potential Magnetic field intensity Flux density Relalative permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be 100 N 0.1 N 10 N 0.01 N 100 N 0.1 N 10 N 0.01 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect reluctance of conductor resistance of conductor None of these both of the listed here reluctance of conductor resistance of conductor None of these both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for reluctance is At/Wb At/m Wb tesla At/Wb At/m Wb tesla ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetomotive force is The flow of an electric current The voltage across the two ends of exciting coil The passage of magnetic field through an exciting coil The sum of all currents embraced by one line of magnetic field The flow of an electric current The voltage across the two ends of exciting coil The passage of magnetic field through an exciting coil The sum of all currents embraced by one line of magnetic field ANSWER DOWNLOAD EXAMIANS APP