Magnetism and Electromagnetism What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current? 240 At 24 At 2.4 At 2,400 At 240 At 24 At 2.4 At 2,400 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 600 T 6 T 6,000 T 600 T 600 T 6 T 6,000 T 600 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Silver and copper Iron Silver Copper Silver and copper Iron Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Lumens Tesla Weber None of the listed here Lumens Tesla Weber None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the number of turns Increasing current supply Increasing the cross-sectional area All of the listed here Increasing the number of turns Increasing current supply Increasing the cross-sectional area All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Diamagnetic materials Paramagnetic materials Ferrites Ferromagnetic materials Diamagnetic materials Paramagnetic materials Ferrites Ferromagnetic materials ANSWER DOWNLOAD EXAMIANS APP
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