Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Solved Assignments
Asked Questions
Answered Questions
the power supplied to a three-phase induction motor is 32 kw and the stator losses are 1200 w if the slip is 5
a 415 v three-phase 50 hz 4 pole star-connected induction motor runs at 24 revs on full load the rotor resistance and
a coil of resistance 5 and inductive reactance 12 is connected across a supply voltage of 526 30deg volts determine the
a concentric cable has a core diameter of 10 mm the inductance of the cable is 4 e-7 hm ignoring inductance due to
a coil having an inductance of 6 h and a resistance of r is connected in series with a resistor of 10 to a 120 v dc
each phase of a delta-connected load comprises a resistance of 30 and an 80 muf capacitor in series the load is
a 400 v 3-phase star connected alternator supplies a delta-connected load each phase of which has a resistance of 30
a pure inductance of 120 mh is connected in parallel with a 25 muf capacitor and the network is connected to a 100 v 50
a capacitor c is connected in parallel with a resistor r across a 120 v 200 hz supply the supply current is 2 a at a
a single phase full-wave half-controlled bridge converter feeds an inductive load the two scrs in the converter are
a ceramic capacitor is to be constructed to have a capacitance of 001 muf and to have a steady working potential of 25
two parallel wires each of diameter 5 mm are uniformly spaced in air at a distance of 50 mm between centres determine
the core of a transformer operating at 50 hz has an eddy current loss of 100 wm3 and the core laminations have a
the eddy current loss in a particular magnetic circuit is 10 wm3 if the frequency of operation is reduced from 50 hz to
a balanced three-wire star-connected 3-phase load has a phase voltage of 240 v a line current of 5 a and a lagging
a steady voltage of 075v is applied to an op amp integrator having component values of r 200 k and c 25 muf assuming
a differential amplifier has an open-loop voltage gain of 120 and a common input signal of 30 v to both terminals an
an inductor has a negligible resistance and an inductance of 200 mh and is connected in series with a 1 k resistor to a
an amplifier has an open-circuit voltage gain of 70 db and an output resistance of 15 komega determine the minimum
the voltage gain of an amplifier when it feeds a resistive load of 10 komega is 40 db determine the magnitude of the
an integrated-circuit amplifier has an open-circuit voltage gain of 5000 an input resistance of 15 komega and an output
determine the strength of a uniform electric field if it is to have the same energy as that established by a magnetic
the airgap of a moving coil instrument is 20 mm long and has a cross-sectional area of 500 mm2 if the flux density is
calculate the value of the energy stored when a current of 50 ma is flowing in a coil of inductance 200 mh what value
determine a the loop inductance and b the capacitance of a 1 km length of single-phase twin line having conductors of