Magnetism and Electromagnetism An electromagnetic field exists only when there is voltage decreasing current current an increasing current voltage decreasing current current an increasing current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The initial permeability of an iron rod is The highest permeability of the iron rod The permeability at the end of the iron rod The lowest permeability of the iron rod The permeability almost in non-magnetised state The highest permeability of the iron rod The permeability at the end of the iron rod The lowest permeability of the iron rod The permeability almost in non-magnetised state ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetic moment is a universal constant scalar quantity vector quantity pole strength universal constant scalar quantity vector quantity pole strength ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for reluctance is At/m At/Wb Wb tesla At/m At/Wb Wb tesla ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is Hennry/meter None of the listed here Its dimensionless Hennry Hennry/meter None of the listed here Its dimensionless Hennry 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 0.01 N 0.1 N 100 N 10 N 0.01 N 0.1 N 100 N 10 N ANSWER DOWNLOAD EXAMIANS APP