Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 18.75 At 187 At 300 At 30 At 18.75 At 187 At 300 At 30 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? ferrimagnetic materials antiferrimagnetic materials antiferromagnetic materials diamagnetic materials ferrimagnetic materials antiferrimagnetic materials antiferromagnetic materials diamagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect reluctance of conductor resistance of conductor both of the listed here None of these reluctance of conductor resistance of conductor both of the listed here None of these 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? 10 AT 4 AT 8 AT 16 AT 10 AT 4 AT 8 AT 16 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is Its dimensionless None of the listed here Hennry/meter Hennry Its dimensionless None of the listed here Hennry/meter Hennry ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Remain same Increases None of the listed here Decreases Remain same Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
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