Anti-intellectualism in American LifeKnopf, 1970 - 434 pages |
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Page 174
... turn in order to sustain continuous rotation . Now the important fact is this : When current flows through a conductor at right angles to a magnetic field , a force is exerted on the wire such as to move it at right angles to both the ...
... turn in order to sustain continuous rotation . Now the important fact is this : When current flows through a conductor at right angles to a magnetic field , a force is exerted on the wire such as to move it at right angles to both the ...
Page 177
... turns in primary and secondary are said to have a turns ratio of 1 : 1 , and in this case the induced secondary voltage always equals the applied primary voltage . Consider a transformer ( Fig . 12.15a ) with an extra loop in the ...
... turns in primary and secondary are said to have a turns ratio of 1 : 1 , and in this case the induced secondary voltage always equals the applied primary voltage . Consider a transformer ( Fig . 12.15a ) with an extra loop in the ...
Page
... turn on the current and sketch the field . Check with the compass . Now follow the same procedure for reversing the current with solenoid as was done in ( b ) . What do the results show ? Turn off the current in the solenoid and remove ...
... turn on the current and sketch the field . Check with the compass . Now follow the same procedure for reversing the current with solenoid as was done in ( b ) . What do the results show ? Turn off the current in the solenoid and remove ...
Table des matières
Conception of the Universe | 2 |
Systems of Measuring Units and Some Basic Physical | 11 |
Energy and Related Concepts | 20 |
Droits d'auteur | |
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acceleration alpha particle altitude amount angle applied atmosphere atomic number axis beam beta particle body called charged particles chemical circuit coil color container cosmic rays curve direct current direction discussed distance Doppler effect earth effect electrical electromagnetic radiation electron volts electrons electrostatic emitted equator example fluorescent force frequency glass gravity greater heat hertz Huygen's principle hydrogen incandescent increase infrared intensity ionization joules kinetic energy lamp length lens light lines liquid magnetic field mass material measured mechanical meter miles mirror molecules motion move muscle neutrons normal nuclear nucleus object observe optical orbit path phenomena physical polarized poles positive pressure waves protons radio radioactive reflection result rotation shown in Fig signal sound space spectrum speed stars surface temperature thermal tube ultraviolet unit vapor velocity vibrating visible voltage volts wavelengths weight wire X-rays