Robertson C.R. Fundamental electrical and electronic principles
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Index
291
Peak factor , 206
Peak value , 200
Periodic time , 199
Permeability , 118
absolute , 119
of free space , 118
relative , 119
Permittivity , 84
absolute , 85
of free space , 84
relative , 84
Phase and phase angle , 214
Phasor , 216
Phasor diagram , 217
p-n junction , 271
p-n junction diode , 272
forward characteristics , 273
reverse characteristics , 273
Potential difference (pd) , 11
Potential divider , 40
Potential gradient , 80
Potentiometer , 65
Power , 18
Proton , 7
p-type semiconductor , 270
Recombination , 266
Rectifi er , 208
bridge , 210
full-wave , 210
half-wave , 209
instrument , 212
Relative permeability , 119
Relative permittivity , 84
Reluctance , 128
Remanance , 133
Remanent fl ux density , 133
Resistance , 10
internal , 14
Resistivity , 21
Resistors , 10
in parallel , 35
in series , 31
in series/parallel , 43
Root of the means
squared (rms) value , 205
Saturation , 123
Sawtooth waveform , 227
Scientifi c notation , 2
Self-excitation , 244
Self-inductance , 175
Semiconductors , 23 , 263
Separately-excited generator , 239
Series generator , 242
Series motor , 245
Shunt generator , 240
Shunt motor , 244
Sinusoidal waveform , 21
Slidewire potentiometer , 65
Solenoid , 113
Standard form notation , 2
Temperature coeffi cient of resistance , 22
Time constant , 251 , 255 , 257
Transient response , 250
Transformer , 186
current ratio , 190
principle , 186
turns ratio , 189
voltage ratio , 189
Units, 1, Appendix A
Valence shell
, 264
Volt , 10
Voltage drop (pd) , 11
Voltmeter , 25
analogue , 25
digital (DVM or DMM) , 25
fi gure of merit , 166
loading effect , 166
multiplier , 163
Watt , 18
Wattmeter , 171
Weber , 115
Wheatstone bridge , 55
balance conditions , 60 , 61
circuit , 56
instrument , 63
Zener diode , 276