Electrical and Electronic Principles and TechnologyIn this book John Bird introduces electrical principles and technology through examples rather than theory - enabling students to develop a sound understanding of the principles needed by technicians in fields such as electrical engineering, electronics and telecommunications. No previous background in engineering is assumed, making this an ideal text for vocational courses and introductory courses for undergraduates. This new edition of Electrical and Electronic Principles and Technology has been brought fully in line with the new BTEC National specifications in the U.K. for the units: Electrical and Electronic Principles and Further Electrical and Electronic Principles, and the corresponding AVCE units. It is also designed to cover the requirements of Intermediate GNVQ and the new BTEC First specifications. At intervals through the text assessment papers are provided, which are ideal for tests or homeworks. These are the only problems where answers are not provided in the book, but fully worked solutions are available to lecturers only as a free download from the password-protected tutor's area of newnespress.com. |
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3-phase a.c. circuit ammeter amplifier armature armature current battery Calculate capacitance capacitor cell characteristic charge circuit diagram circuit shown coil collector conductor connected in parallel connected in series constant copper loss cross-sectional area current flowing cut-off frequency d.c. motor delta connection electric electrons emitter energy equation equivalent Figure filter flux density following exercise Exercise full load Further problems Hence Hz supply induced e.m.f. induction motor inductor input power internal resistance lagging magnetic field magnetic flux n-p-n transistor n-type material op amp output power output voltage p-n junction p-n-p transistor p-type phase angle phasor phasor diagram plates pole power dissipated power factor primary Q-factor r.m.s. value R₁ reactance resistor resonance rev/min rev/s rotor shown in Fig supply current supply voltage synchronous speed theorem three-phase torque transformer try the following V₁ voltage gain voltmeter volts wattmeter waveform ž understand µF capacitor