A Manual of Electrical Measurements |
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Page 9
... frequency current of approximately 1000 cycles per second . If the power factor of the unknown is to be deter - mined , this frequency must be accurately known , but it is not needed for simple capacitance determinations . If one is ...
... frequency current of approximately 1000 cycles per second . If the power factor of the unknown is to be deter - mined , this frequency must be accurately known , but it is not needed for simple capacitance determinations . If one is ...
Page 6-6
... frequency oscillator as a source of alternating current . Measure the inductance and ef- fective resistance of the inductor at several frequencies , including the frequen- cy for which the inductor was designed to be used , if that ...
... frequency oscillator as a source of alternating current . Measure the inductance and ef- fective resistance of the inductor at several frequencies , including the frequen- cy for which the inductor was designed to be used , if that ...
Page 13
... frequency for each of three or four values of L over the range of the inductometer . Repeat with C at 0.3μf and at 1.0 μf . Assuming that the frequency computed from the known circuit con- stants is correct , plot a correction curve for ...
... frequency for each of three or four values of L over the range of the inductometer . Repeat with C at 0.3μf and at 1.0 μf . Assuming that the frequency computed from the known circuit con- stants is correct , plot a correction curve for ...
Contents
Exp 34 Measurement of High Resistance by the LossofCharge Method | 3-4 |
Exp 36 The Quadrant Electrometer | 3-5 |
Exp 38 Measurement of Capacitance by the Method of Mixtures | 3-9 |
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adjust alternating current ammeter ampere amplifier applied average balance battery bridge C₂ cable calculated calibration capacitance capacitor cathode cell charge circuit as shown computed Connect the circuit curve damping ratio determine device diagram dial direct current electrical electrometer equal equation experiment figure flux density frequency galvanometer galvanometer deflection give graph grid potential heater high resistance hysteresis impedance indicated inductor input instructor loop magnetic magnitude maximum meas measuring circuit meter method milliamperes mutual inductance obtained ohmmeter ohms oscillator oscilloscope output plate current plate voltage plot position possible potential difference potentiometer probable error quantity R₁ R₂ range reading Repeat resistance boxes resistor resonance rheostat S₁ scale self-inductance sensitivity shunt sistance solenoid standard Student Potentiometer suitable switch temperature terminals thermistor thermocouple tion uncertainty unknown vacuum thermocouple vacuum tube variable varistor vector voltmeter volts wattmeter wire zero