Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 30 At 187 At 300 At 18.75 At 30 At 187 At 300 At 18.75 At 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? 4 AT 16 AT 8 AT 10 AT 4 AT 16 AT 8 AT 10 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ? 63380 N/Wb 633.8 N/Wb 63.38 N/Wb 6338 N/Wb 63380 N/Wb 633.8 N/Wb 63.38 N/Wb 6338 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to Radius of conductor Distance between the conductors Current in one conductor Product of current in two conductors Radius of conductor Distance between the conductors Current in one conductor Product of current in two conductors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is not a unit of flux? All of the listed here Weber Maxwell Tesla All of the listed here Weber Maxwell Tesla ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 Wb/m² 1 mWb/m² 1 Wb/mm² 1 Wb/m 1 Wb/m² 1 mWb/m² 1 Wb/mm² 1 Wb/m ANSWER DOWNLOAD EXAMIANS APP
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