Elements of Electrical Engineering |
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Page 179
... Flux and Flux Density . Having thus defined the magnetic gradient H and the permeability of the medium μ , we may next write the magnetic field counterpart of Eq ... flux density Bo at the center of a circular turn THE MAGNETIC FIELD 179.
... Flux and Flux Density . Having thus defined the magnetic gradient H and the permeability of the medium μ , we may next write the magnetic field counterpart of Eq ... flux density Bo at the center of a circular turn THE MAGNETIC FIELD 179.
Page 180
... flux density were uniform within the circular area , the total flux would be = TX ( 50 ) 2 × 0.01256 = 100 maxwells Actually , however , the flux density is far from uniform , and accurate analysis shows the flux to be nearly 400 ...
... flux density were uniform within the circular area , the total flux would be = TX ( 50 ) 2 × 0.01256 = 100 maxwells Actually , however , the flux density is far from uniform , and accurate analysis shows the flux to be nearly 400 ...
Page 191
... flux density rather than total flux , as it samples the magnetic field at various points instead of encompassing the entire field . In the absence of any mechanical restoring torque , an electrical restoration of the pointer to zero is ...
... flux density rather than total flux , as it samples the magnetic field at various points instead of encompassing the entire field . In the absence of any mechanical restoring torque , an electrical restoration of the pointer to zero is ...
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abamperes alternating current aluminum ammeter ampere ampere-hour anode applied armature atoms axis battery cable capacitance cathode cell cent centimeter charge circuit of Fig coefficient condenser conductivity conductor constant copper core coulombs current flowing deflection determine diameter dielectric direct current direction discharge efficiency electric field electrolyte electrons energy storage equation expressed field intensity flux density force G₁ galvanometer gausses grid heat illustrated inductance instrument insulation internal resistance iron Joule's law joules load loop magnetic field material maxwells measured metallic meter microcoulombs motor negative obtained oersteds Ohm's law ohms oxide parallel permeability plate current potential gradient Prob produced radius resistor result rheostat shown in Fig shunt solenoid solution statcoulombs statvolts steel sulfate supply temperature terminal voltage tion torque tube units velocity voltage drop voltmeter volts watts winding zero zinc