Magnetism and Electromagnetism What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current? 2,400 At 240 At 2.4 At 24 At 2,400 At 240 At 2.4 At 24 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 300 At 18.75 At 187 At 30 At 300 At 18.75 At 187 At 30 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Magnetic potential Flux density Relalative permeability Magnetic field intensity Magnetic potential Flux density Relalative permeability Magnetic field intensity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Gilbert is a unit of conductance permittivity magnetomotive force electromotive force conductance permittivity magnetomotive force electromotive force ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. rectangular circular triangular None of the listed here rectangular circular triangular None of the listed here 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 Decrease Be excessive Remain Constant Increase Decrease Be excessive Remain Constant Increase ANSWER DOWNLOAD EXAMIANS APP
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