## Electrical engineering principles: for electrical, telecommunications, and installation technicians |

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50-Hz sinusoidal supply acceleration alternating current ammeter angular anode armature average battery cable capacitance capacitor cell characteristics charge circuit current component conductor connected in parallel connected in series constant copper cross-sectional area current flowing current taken d.c. supply deflexion Determine diameter dielectric diode distance efficiency electric flux electric flux density equivalent resistance Example exerted flux density force ft lbf ft/s full-scale deflexion graph horizontal induced e.m.f. inductance input instrument internal resistance joules latent heat lbf/in2 length magnetic field magnetic flux mass maximum mile/h motor moving coil newton metres permittivity phase angle phasor phasor diagram plates potential difference potentiometer pressure pulley quantity r.m.s. value rad/s reactance resistor rev/min shown in Fig shunt specific heat speed supply voltage temperature coefficient tensile stress terminal p.d. torque unit unknown resistor vertical voltage voltmeter waveform wheel wire Young's modulus