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2 Dynamo Testing Measurements of Copper or Resistance
Msommo AND Inon Tnsrmo 365
7 other sections not shown
alternating currents alternating-current ammeter ampere-hour ampere-hour meter amperes angle angular armature axis ballistic galvanometer bridge Brit candle candle-power capacity cent centimetres charge condenser conductor connected constant copper cubic centimetre curve cylinder deﬁned deﬂection determined diagram diameter dielectric disc discharge dynamo eddy currents Elec electric quantity Electrician electrolyte employed energy equal equation ﬁlament ﬁrst ﬁxed ﬂame ﬂux density follows friction full load galvanometer given Hence hysteresis loss illumination insulated iron lamp light logarithmic luminous intensity machine magnetic ﬁeld magnetic ﬂux magnetic force magnetisation means measured mercury metal method microfarad motor meter mutual inductance needle obtained ohms paper passing pentane photometer placed plates potential power-absorbing circuit Prof proportional quantity of electricity ratio reading resistance ring secondary cell series coils shunt coil solenoid speciﬁc standard surface taken temperature terminals torque transformer tube unit voltage voltameter volts watt-hour meter wattmeter watts Wheatstone bridge wire