Hamad Magnetic Circuit 20/08/2020 A. alnico alloys B. aluminium C. cast iron D. wrought iron Related Mcqs: Relative permeability of vacuum is__________?A. 1 B. 1 H/m C. 1/4JI D. 4n x 10-‘ H/m... When both the inductance and resistance of a coil are doubled the value of________________?A. time constant remains unchanged B. initial rate of rise of current is doubled C. final steady current is doubled D. time constant is halved... Conductivity is analogous to____________?A. retentivity B. resistivity C. permeability D. inductance... The unit of reluctance is_____________?A. metre/henry B. henry/metre C. henry D. 1/henry... Those magnetic materials are best suited for making armature and transformer cores which have ________ permeability and ________ hystersis lossA. high, high B. low, high C. high, low D. low, low...
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