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There are three sizes of transformers of this kind made and they are rated at 1/4, 1/2 and 1 kilowatt, respectively, they deliver a secondary current of 9,000, 11,000 and 25,000 volts, according to size, and cost $16.00, $22.00 and $33.00 when fully mounted; a reduction of $3.00, $4.00 and $5.00 is made when they are unmounted.
They listened to talks from men skilled in radio work, they wandered about to the many booths where information was given about everything connected with wireless, they studied various types of coils, transformers, vacuum tubes, switches, aerials, terminals, everything in fact that ambitious young amateurs could wish to know.
Where audio frequency transformers are used for stepping up the voltage of the current of the detector and amplifier tubes, the radio frequency current does not get into the plate circuit of the detector at all for the reason that the iron core of the transformer chokes them off, hence, the succeeding amplifiers operate at audio frequencies. A Six Step Amplifier Receiving Set With a Loop Aerial.
"First we're bugs under a microscope," Bradley growled, "then we're goldfish in a bowl. I don't know that...." He broke off as two of their jailers entered the room. Without a word into the transformers, they seized Bradley and the girl. As those tentacular arms stretched out toward Clio, Costigan leaped. A vain attempt.
The heaping up of the potential only took place when transformers were used, and not when the dynamos were connected direct. In the former case the increase of volts was proportional to the length of main used, and 8,500 at Deptford gave 10,000 at London. Mr.
Electric Energy High Pressure Transformers Development of Water-power. The electrical transmission of power is exemplified in everything which is based on the generation of electricity. The ordinary electric light is power coming from a generator in the building or a public street-dynamo.
Where audio frequency transformers are used for stepping up the voltage of the current of the detector and amplifier tubes, the radio frequency current does not get into the plate circuit of the detector at all for the reason that the iron core of the transformer chokes them off, hence, the succeeding amplifiers operate at audio frequencies. A Six Step Amplifier Receiving Set With a Loop Aerial.
To shield them from each other the tubes should be enclosed in metal boxes and placed at least 6 inches apart while the transformers should be set so that their cores are at right angles to each other and these also should be not less than six inches apart.
A sort of metal helmet with two receivers attached to it, one on each side, lay handy at Jack's hand. In front of him was the transmitter joined to the metal box which contained the microphone, transformers and inductance tuning coil.
There are various sorts of beings that appear sometimes in animal form, sometimes in human form, their function being the arranging of the affairs of the world, the origination of institutions, and sometimes a definite creation of various things. The title "founders" or "transformers" or "culture-heroes" has been given them.
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