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a dc shunt machine has an armature winding resistance of 012 omega and a shunt-field winding resistance of 50 omega the
a three-phase ac motor used to drive a draft fan is connected to a 60-hz voltage supply at no load the speed is 1188
consider the operation of a dc shunt motor that is affected by the following changes in its operating conditions
a balanced three-phase 60-hz voltage is applied to a three-phase two-pole induction motor corresponding to a per-unit
no-load and blocked-rotor tests are conducted on a three-phase wye-connected induction motor with the following results
for the circuit shown in figure p253 develop and execute a pspice program to obtain the node voltages and the current
a current it 20 cos2pi times 60t a flows through a wire find the charge flowing and the number of electrons per second
a charge variation with time is given in figure p118 draw the corresponding current variation with
the electric field intensity due to a point charge in free space is given to bedetermine the location and the value of
two charges of equal magnitude 5microc but opposite sign are separated by a distance of 10 m find the net force
write and execute a pspice program to analyze the resistor bridge circuit shown in figure p255 to solve for the node
develop and execute a ps pice program to analyze the circuit shown in figure p251 to evaluate the node voltages and the
find the current i1 through the 20-omega resistor of the circuit of figure p228 by both mesh and nodal
by using the mesh-current method determine the voltage across the 1-a current source of the circuit of figure p227 and
determine the current i through the 10-omega resistor of the circuit of figure p225 by employing the node-voltage
a find the voltage across the 8-a current source in the circuit of figure p226 with the use of nodal analysisb
a determine the theacutevenin and norton equivalent circuits as viewed by the load resistance r in the network of
obtain the theacutevenin and norton equivalent circuits for the portion of the circuit to the left of terminals a-b in
determine the voltage transfer function of the low pass filter circuit shown in figure p346 and find the expression for
determine l and c of the band reject filter circuit of figure p345 to have a center frequency of 100 khz and a
a simple parallel resonant circuit with l 50 microh is used to perform the frequency selection the circuit is to be
the circuit shown in figure p3419 is the equivalent circuit of a field-effect transistor fet amplifier stagea determine
an rl series circuit carries a current of 002 cos 5000t a for r 100 omega and l 20 mh find the impedance of the
a the concept of duality can be extended to nonelectric physical systems by means of analogs for example the mechanical
the voltage across a parallel combination of a 100- omega resistor and a 01-microf capacitor is 10 cos5000t 30deg v