Basic Electrical and Electronics Engineering

0.8 power factor 3-phase alternating current applied voltage armature current armature resistance back e.m.f. brush Calculate capacitance capacitor characteristic coil collector commutator component compound motor conductor constant copper loss D.C. motor eddy current efficiency electric electrons emitter Example F H G field current field resistance field winding flux frequency full-load h.v. side Hence hysteresis Imax impedance induction motor input instrument iron loss lagging line current line voltage load current maximum meter N-P-N transistor no-load no-load current ohms output P-N junction parallel phasor pole power factor r.m.s. value rated reactance rectifier Refer to Fig referred to primary regulation repulsion motor resistor resonance reverse rotation rotor semiconductor series field series motor short-circuit shown in Fig shunt field shunt motor Solution speed starting torque temperature terminal voltage torque transistor vector voltage drop volts wattmeter wave Zener diode zero φ φ