Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 8 6 12 4 8 6 12 4 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Copper Brass Zinc Ebolite Copper Brass Zinc Ebolite 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)? 90 270 360 180 90 270 360 180 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and high retentivity High co-ercivity and low density High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and high retentivity High co-ercivity and low density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path higher lower zero little higher lower zero little ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The initial permeability of an iron rod is The permeability almost in non-magnetised state The lowest permeability of the iron rod The permeability at the end of the iron rod The highest permeability of the iron rod The permeability almost in non-magnetised state The lowest permeability of the iron rod The permeability at the end of the iron rod The highest permeability of the iron rod ANSWER DOWNLOAD EXAMIANS APP