Alternating Current Measurements: At Audio and Radio Frequencies |
Contents
CHAPTER | 1 |
THE MEASUREMENT OF SELF INDUCTANCE AT | 21 |
THE MEASUREMENT OF MUTUAL INDUCTANCE | 38 |
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a.c. potentiometer accuracy alternate adjustments alternate current potentiometer alternating current ammeter amplitude angle applied voltage bridge methods C₁ C₂ calibration Carey Foster circuit coil under test component conditions of balance connected coupling coil D.Sc denote detector determination direct current effective resistance equal Equating reals formula harmonic heterodyne wave-meter high frequencies I₁ indicated induced e.m.f. inductances L₁ inductive coil instrument L₂ M₂ magnitude maximum meter mica condenser mutual capacitance mutual inductance non-inductive resistance null method obtained ohms oscillation p²CL parallel phase piezo-electric pLio points potential divider power factor primary quadrature R₁ R₂ range reactance reading residual inductance resis resistance box resistance in series secondary shown in Fig shunt skin effect slide wires standard condenser switch tance telephone terminals V₁ V₂ valve voltmeter variable air-condenser varying vector diagram vibration galvanometer voltage volts Wheatstone bridge whence wireless receiving zero µµF