Principles of Electricity and Electromagnetism |
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Page 433
If the switch is closed in its lower position, the alteration in the current at
resonance can be used to determine the additional resistance introduced. Or if a
standard radio-frequency resistance is available, the resistance of the circuit itself
may be ...
If the switch is closed in its lower position, the alteration in the current at
resonance can be used to determine the additional resistance introduced. Or if a
standard radio-frequency resistance is available, the resistance of the circuit itself
may be ...
Page 459
low frequencies the shunt inductance kLp reduces the potential applied to the
secondary circuit. And at high frequencies the series leakage inductance L(
becomes important in reducing the potential applied to the load. The elements of
Fig.
low frequencies the shunt inductance kLp reduces the potential applied to the
secondary circuit. And at high frequencies the series leakage inductance L(
becomes important in reducing the potential applied to the load. The elements of
Fig.
Page 473
The practical frequency limits of the oscillating crystal element are from about 50
kilocycles to 15 megacycles. The Qo value in the neighborhood of 0.1 megacycle
is of the order of 104, which means that a change of only 5 cycles in the applied ...
The practical frequency limits of the oscillating crystal element are from about 50
kilocycles to 15 megacycles. The Qo value in the neighborhood of 0.1 megacycle
is of the order of 104, which means that a change of only 5 cycles in the applied ...
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alternating current alternating-current ampere amplifier amplitude angle angular anode antenna applied approximately armature assumed atom axis calculated capacity cathode cell characteristic charge circuit coefficient coil component condenser conducting conductor considered constant curl current flowing curve deflection density determined dielectric dielectric constant direct-current direction discharge effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer given grid hence impedance induction integral ions known Laplace's equation length linear load magnetic field magnetic induction magnitude maximum measured metal meter negative normal obtained ohms oscillations output parallel phase plane plate polarization positive potential difference potential wave potentiometer produced proportional quantities radiation radius ratio reactance region represents resistance resonant rotation scalar Show shown in Fig solenoid solution surface temperature terminals theorem torque tube unit vector velocity voltage volts wire written zero
Bibliographic information
| Title | Principles of Electricity and Electromagnetism International series in pure and applied physics International series in physics International series in physics. Lee A. DuBridge, consulting editor |
| Author | Gaylord Probasco Harnwell |
| Publisher | McGraw-Hill, 1938 |
| Length | 619 pages |
| Export Citation | BiBTeX EndNote RefMan |