Principles of Electricity and Electromagnetism |
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Page 104
... determined by measuring the current through the circuit and the potential difference across the required portion and applying Ohm's law in the form R = V / i . R is a constant of the circuit for truly ohmic materials and as such it is a ...
... determined by measuring the current through the circuit and the potential difference across the required portion and applying Ohm's law in the form R = V / i . R is a constant of the circuit for truly ohmic materials and as such it is a ...
Page 321
... determined in terms of this arbitrarily chosen quantity and the units of length and time . With the necessary precautions and refinements this method is used in the national stand- ardizing laboratories for determining the values of ...
... determined in terms of this arbitrarily chosen quantity and the units of length and time . With the necessary precautions and refinements this method is used in the national stand- ardizing laboratories for determining the values of ...
Page 333
... determined and the necessary correction applied for any alteration in it . The magnetic induction in any small region can be determined by means of a search coil and ballistic galvanometer . The search coil is simply a small plane coil ...
... determined and the necessary correction applied for any alteration in it . The magnetic induction in any small region can be determined by means of a search coil and ballistic galvanometer . The search coil is simply a small plane coil ...
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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 grad grid hence impedance induction integral ions known Laplace's equation length linear load magnetic field magnetic moment magnitude maximum measured metal meter negative obtained ohms oscillations output parallel phase plate positive potential difference potential wave potentiometer produced proportional quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation shown in Fig solenoid solution surface temperature terminals theorem torque tube unit V₁ vector velocity voltage volts wire written zero