Post Office Box Physics
Post Office Box Physics. Statement 1 in post office box experiment, the battery key is pressed before the galvanometer key. While the fourth arm is the unknown resistance.
Post office box (in short, po box) is the special form of wheatstone bridge. A post box is a numbered box which are available on rent at certain major post offices. Box, or also known as a postal box) is a uniquely addressable lockable box located on the premises of a post office station.
While the fourth arm(s) is the unknown resistance.
A post office box (commonly abbreviated as p.o. Post office box (in short, po box) is the special form of wheatstone bridge. Particularly you will get here special notes of physics that will be immensely useful to both students.
Post office box is helpful in physics experiment to determine the unknown resistance of wires like constantan and nichrome etc.
Verification of ohm’s law using voltmeter and ammeter, and specific resistance of the material of a wire using meter bridge and post office box. Big business houses generally make arrangements with the postal authorities that all incoming parties are asked to use the post box number in their letters. The plugs & lugs are cut to a finer taper & are interchangeable.
It can determine the specific resistance of different types of wire.
It is a wheatstone bridge with three arms p, q and r; Post office box refers to a box containing a combination of resistors of 1 ω, two 2 ω, 5 ω, 10 ω, two 20 ω, 50 ω and this way upto 10000 ω. Generally, a post office box is kept in a wooden box with a hinged lid.
Uniform circular motion, relative velocity.
The university of queensland, australia brisbane st lucia, qld 4072 +61 7. Elliot siemens bros & co ltd. Post office box ( p.o.
A post office box can also be used to measure an unknown resistance.
Home › post office box. It was used in post offices to determine resistance of transmission lines. They are so connected that when post office box is connected in series in a circuit, it is possible to introduce any resistance of integer value from 1 ω to 1000 ω by pulling out appropriate keys of the resistors
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