gracy
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So,why the gap does not appear in case of 2 and 3 as in 1 and 4?
Potentiometer and galvanometer experiment
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Ahah! The light dawns. Drawing "conventions" in schematic diagrams --- I parenthesize the word "conventions" because they aren't universally or uniformly applied/used: 1) lines indicating wiring between components in a circuit can intersect without indicating a connection between the two wires represented by the lines; 2) a situation where there is no connection can be indicated by the small semi-circle just to the left of the galvanometer in the schematic (it implies the one wire "jumping" over the other, a short break in one line, a dashed line, different line weights/widths, different shading; 3) you will also see schematics where lines cross each other, and connections are specifically indicated by heavy dots at the intersections, leaving you to infer that there is no connection where no dots are shown at intersections. It just looks like the "3" gap is bridged by the cell, and the "2" gap by a wire until I tell you that the "semi-circle" indicates that the two wires are not connected.gracy said:
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A grouping of 4 sockets for a pair of jumpers is just inviting trouble!
Why not just draw like this, and you choose to either drop the cell into the circuit as shown, or else reversed. Too straightforward? oo)
Why not just draw like this, and you choose to either drop the cell into the circuit as shown, or else reversed. Too straightforward? oo)