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for the circuit of given figurea determine tb write the mathematical expression for the current il after the switch is
for the circuit of given figurea determine the time constantb write the mathematical expression for the current
find the waveform for the current of a 10-mh coil if the voltage across the coil follows the pattern of given figure
sketch the waveform for the voltage induced across a 02-h coil if the current through the coil is as shown in given
find the waveform for the voltage induced across a 200- mh coil if the current through the coil is as shown in given
find the induced voltage across a 50-mh inductor if the current through the coil changes at a rate of 01
using the results of given problem develop a program to perform the analysis appearing in example b for cast steel a
if the flux linking a coil of 50 turns changes at a rate of 0085 wbs what is the induced voltage across the
determine the rate of change of flux linking a coil if 20 v are induced across a coil of 40
how many turns does a coil have if 42 mv are induced across the coil by a change of flux of 0003
a find the inductance l in henries of the inductor of given figureb repeat part a if a ferromagnetic core is added
find the voltage induced across a coil of 5 h if the rate of change of current through the coil isa 05 asb 60 masc 004
note how closely the b-h curve of cast steel in given figurea matches the curve for the voltage across a capacitor as
a a flux of 02 x 10-4nbspwb will establish sufficient attractive force for the armature of the relay of given figure to
determine the current i1nbsprequired to establish a flux of 2 x 10-4nbspwb in the magnetic circuit of given
the force carried by the plunger of the door chime of given figure is determined bywhere dphidx is the rate of change
a find the current i required to establish a flux 24 x 10-4nbspwb in the magnetic circuit of given figureb compare the
for the series magnetic circuit of given figure with two impressed sources of magnetic pressure determine the current
a find the mmf ni required to establish a fluxnbspnbsp80000 lines in the magnetic circuit of given figureb find the
a find the number of turns n1nbsprequired to establish a fluxnbspnbsp12 x 10-4nbspwb in the magnetic circuit of given
for the series magnetic circuit of given figure determine the current i necessary to establish the indicated
if a magnetizing force h of 600 atm is applied to a magnetic circuit a flux density b of 1200 x 10-4nbspwbm2nbspis
repeat given problem 5 fornbspnbsp 72000 max wells and an impressed mmf of 120 gilbertsproblemfind the reluctance of a
find the reluctance of a magnetic circuit if a magnetic fluxnbspnbsp 42 x 10-4nbspwb is established by an impressed mmf
for the electromagnet of given figurea find the flux density in the coreb sketch the magnetic flux lines and indicate