Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Copper Ebolite Zinc Brass Copper Ebolite Zinc Brass 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 30 At 18.75 At 187 At 300 At 30 At 18.75 At 187 At 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 Increases Remain same None of the listed here Decreases Increases Remain same None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Temporary magnets are used in Motors Loud speakers Generators All of the listed here Motors Loud speakers Generators All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is Its dimensionless None of the listed here Hennry Hennry/meter Its dimensionless None of the listed here Hennry Hennry/meter 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. None of the listed here triangular rectangular circular None of the listed here triangular rectangular circular ANSWER DOWNLOAD EXAMIANS APP