The resultant magnetic field, therefore, is compounded of two fields, the one being due to the poles, and the other to the external causes which would be operative in the absence of the magnetized metal.
In a striking form of the experiment, the water is contained, to the depth of perhaps one inch, in a large flat dish, and the operative part of the surface is limited by a flexible hoop of thin sheet brass lying in the dish and rising above the water-level.
His next move was to attempt to detach Sweden from France; but, Sweden showing not the slightest inclination for a rapprochement, Denmark was compelled to accede to the anti-French league, which she did by the treaty of Copenhagen, of January 1674, thereby engaging to place an army of 20,000 in the field when required; but here again Griffenfeldt safeguarded himself to some extent by stipulating that this provision was not to be operative till the allies were attacked by a fresh enemy.
It can readily be seen that in a government of this kind the essential operative element was the baron.
Marconi in an operative system of syntonic wireless telegraphy.
The already full, operative existence of eternal beauty, truth and goodness, of infinite Personality and Spirit independently of our action, and not, as in ethics, the simple possibility and obligation for ourselves to produce such-like things.
But for this he would hardly have established so absolute an antithesis between industrial and military competition, and have shown himself readier to recognize that the law of the struggle for existence, just because it is universal and equally (though differently) operative in every form of society, cannot be appealed to for guidance in deciding between the respective merits of an industrial or military and of an individualist or socialist organization of society.
The proper distance was maintained - and proper was the operative word.
He thus produced in 1896 for the first time an operative apparatus of electric wave telegraphy.
The pantaloons which I now wear were woven in a farmer's family--thank Heaven there is so much virtue still in man; for I think the fall from the farmer to the operative as great and memorable as that from the man to the farmer;--and in a new country, fuel is an encumbrance.