A Manual of Electrical Measurements |
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 ampere amplifier applied average balance battery becomes bridge calculated calibration capacitance capacitor cause cell charge circuit closed coil Compare computed connected constant correct corresponding curve damping deflection depends described designed desired determine device diagram direct effect electrical equal equation error experiment figure flux density frequency function galvanometer give given graph grid ground hence impedance important increase indicated inductance known limit loop magnetic magnitude maximum measurements meter method milliamperes necessary negative Note observed obtained ohms oscillator output plate current plot position possible potential potentiometer precision quantity range ratio reading Repeat represent resistance resistor scale sensitivity shown smaller standard student suitable supply switch temperature terminals throw trial tube uncertainty unknown usually vacuum vary voltage voltmeter volts wire zero