10 examples of iron core in sentences

In 1828 Joseph Henry, then professor of physics at the Albany Academy, afterward a professor at Princeton, and subsequently for many years secretary of the Smithsonian Institution at Washington, made the highly important discovery that by winding a plain iron core with many layers of insulated wire, through which the electric current was passed, he could at pleasure charge and discharge the iron core with magnetic power.

In 1828 Joseph Henry, then professor of physics at the Albany Academy, afterward a professor at Princeton, and subsequently for many years secretary of the Smithsonian Institution at Washington, made the highly important discovery that by winding a plain iron core with many layers of insulated wire, through which the electric current was passed, he could at pleasure charge and discharge the iron core with magnetic power.

If the coil, C, or primary coil, is provided with an iron core such as a bundle of fine iron wires, the effects are greatly increased in intensity, and the repulsion with a strong primary current may become quite vigorous, many pounds of thrust being producible by apparatus of quite moderate size.

5 the parts are of equal diameter, one, B, being a closed ring, and the other, C, being an annular coil placed parallel thereto; and an iron core or wire bundle placed in the common axis of the two coils increases the repulsive action.

If the iron core takes the form of that shown by I I, Fig. 7, such as a cut ring with the coil, C, wound thereon, the insertion of a heavy copper plate, B, into the slot or divided portion of the ring will be opposed by a repulsive effort when alternating currents pass in C.

The registering apparatus consists of a solenoid, S, that acts upon a soft iron core suspended by a cord from the extremity, x, of the beam of a balance.

Merry on the surface, with an iron core of stubborn resolution within, he equally delighted his most homely and his most elegant friends, and while he sympathized with humble life, he had a profound respect for the technically best society.

The amplifiers consisted of iron core transformers comprising several stages of radio frequency.

But the big dynamo drowned these little noises altogether with the sustained drone of its iron core, which somehow set part of the ironwork humming.

In due time the man found out the iron core in his bar of solder, and thought the joke such a good one that he told of it in the saloon, and had to spend at least $5 in drinks to ease off the laugh they had on him as the victim of the young California pioneers.

10 examples of  iron core  in sentences