The New Encyclopaedia Britannica: Macropaedia (19 v.)Encyclopaedia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 322
... coil of n turns , insulated from the first coil , is wound closely round the solenoid , the mutual inductance is mnA . MnN ' / Iμμo = = 1 If two coils are closely wound together , so that all the flux generated by one coil passes ...
... coil of n turns , insulated from the first coil , is wound closely round the solenoid , the mutual inductance is mnA . MnN ' / Iμμo = = 1 If two coils are closely wound together , so that all the flux generated by one coil passes ...
Page 337
... coil that generates the magnet- ic field to produce the magnetic flux in the circuit . Thus , if a coil of n turns per metre carries a current i amperes , the field inside the coil is ni amperes per metre and the mmf it generates is nil ...
... coil that generates the magnet- ic field to produce the magnetic flux in the circuit . Thus , if a coil of n turns per metre carries a current i amperes , the field inside the coil is ni amperes per metre and the mmf it generates is nil ...
Page 338
... coil the coil resistance is typically 18,600 ohms so that the current at 50 volts is 2.7 milliamperes . The minimum operating condition requires only about 1.7 milliamperes , so that the relay can be worked satisfactorily at lower ...
... coil the coil resistance is typically 18,600 ohms so that the current at 50 volts is 2.7 milliamperes . The minimum operating condition requires only about 1.7 milliamperes , so that the relay can be worked satisfactorily at lower ...
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