Magnetism and Electromagnetism What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current? 240 At 2.4 At 24 At 2,400 At 240 At 2.4 At 24 At 2,400 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Flux density Inductance Flux Field strength Flux density Inductance Flux Field strength ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of flux is the same as that of Reluctance Resistance Pole strength Permanance Reluctance Resistance Pole strength Permanance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Permanent magnet None of the listed here Weak magnet Temporary Magnet Permanent magnet None of the listed here Weak magnet Temporary Magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Copper Silver Silver and copper Iron Copper Silver Silver and copper Iron ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Flux density Magnetic potential Relalative permeability Magnetic field intensity Flux density Magnetic potential Relalative permeability Magnetic field intensity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS