AA cells can be installed in a socket of larger diameter than itself, if you wrap it in several layers of paper, foam or any other available material suitable for this purpose. For example, a galvanic cell AAA can be installed in a standard socket AA.
If the length of the socket is greater than the length of a galvanic cell between their respective contacts should be inserted in a folded several times a piece of aluminum foil.
Recommend to read
“MOLE” IN THE PIPELINE
The starting point of any design and experimental work, whether a solid CB or technical circle, a laboratory for students — identifying the problem, the technical problem. Based on...
VACUUM CLEANER FOR OIL
As you know, in order to drain the automotive engine waste oil, have to drive the car on the rack, or to use the repair pit. However, if the garage has quite a powerful vacuum cleaner, a...