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MANAGERS AND PROJECTIONISTS
With what is the interior surface of the photo-electric cell coated ? 1013
Which wire of the photo-electric cell circuit connects to the silver lining of the bulb ? 1013
What is the ring-shaped wire in the center of the bulb? . 1013
What is deposited on the interior surface of the silver lining of the tube ? 1013
To what does the ring-shaped conductor in the center of the bulb connect ? 1014
To what does the light-sensitive material on the interior of the silver lining of the tube connect? 1014
With what is the photo-electric cell bulb rilled? 1014
How is the photo-electric cell put into operation?.. 1014
A constant voltage is applied to the photo-electric cell. Upon what does the amount of current flow from it to the amplifiers depend ? 1016
What is the strength of the impulses sent out by the photo-electric cell ? 1016
The Electrical Condenser
Upon what does the condenser depend for its action? 1017
What purpose do electrical condensers serve? 1017
Name one purpose of the electrical condenser 1017
What does the electrical condenser represent? 1017
What analogy is there between springs in mechanics
and condensers in electrics ? 1017
Are there various types of electrical condensers? 1018
Name one mechanical thing which is very similar to
an electrical condenser in its action 1018
What two properties are found in all truly elastic
bodies? 1018
Describe a very simple experiment which will serve to illustrate action in mechanics similar to electrical action in a condenser 1018
Describe a simple form of electrical condenser 1019
Under what electrical state is a condenser said to
be "charged" ? 1019
Describe in what manner the insulating material of an electrical condenser is under strain when the
condenser is charged 1019
Does a condenser retain its charge if not shorted?.. 1020
What is meant by "capacity" in a condenser? 1020
If an electrical condenser be charged too heavily,
what happens ? 1020
In so far as concerns an electrical condenser, what is
meant by a "puncture" ? 1021
In what manner are condensers of considerable capacity made to occupy a small space? 1021
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