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? 4 AT 8 AT 16 AT 10 AT 4 AT 8 AT 16 AT 10 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Ebolite Brass Zinc Copper Ebolite Brass Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 Wb/m² 1 Wb/mm² 1 Wb/m 1 mWb/m² 1 Wb/m² 1 Wb/mm² 1 Wb/m 1 mWb/m² ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is The field of a single conductor The field of a set of parallel conductors None of the listed here The field in which all lines of magnetic flux are parallel and equidistant The field of a single conductor The field of a set of parallel conductors None of the listed here The field in which all lines of magnetic flux are parallel and equidistant ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High co-ercivity and high retentivity Large area of B-H loop High permeability and low hysteresis loss High co-ercivity and low density High co-ercivity and high retentivity Large area of B-H loop High permeability and low hysteresis loss High co-ercivity and low density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 0.25 AT/m 25 AT/m 2500 AT/m 250 AT/m 0.25 AT/m 25 AT/m 2500 AT/m 250 AT/m ANSWER DOWNLOAD EXAMIANS APP