Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. Stainless steel None of the listed here Hardened steel Soft iron Stainless steel None of the listed here Hardened steel Soft iron ANSWER DOWNLOAD EXAMIANS APP
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? 16 AT 8 AT 4 AT 10 AT 16 AT 8 AT 4 AT 10 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The initial permeability of an iron rod is The permeability almost in non-magnetised state The permeability at the end of the iron rod The lowest permeability of the iron rod The highest permeability of the iron rod The permeability almost in non-magnetised state The permeability at the end of the iron rod The lowest permeability of the iron rod The highest permeability of the iron rod ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 200 At 300 At 100 At 150 At 200 At 300 At 100 At 150 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 Wb/mm² 1 Wb/m² 1 mWb/m² 1 Wb/m 1 Wb/mm² 1 Wb/m² 1 mWb/m² 1 Wb/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Permanent magnet Weak magnet Temporary Magnet None of the listed here Permanent magnet Weak magnet Temporary Magnet None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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