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
WITHOUT THEM
Usually, to make a loop on the wire to connect to the switch or outlet that electricians use pliers. Two pins Ø 4 mm, installed in front of the handle of a screwdriver, can successfully...
RETRACTABLE LANDING GEAR RACING
About 190 km/h! This is a technical medium speed modern racing model with a powerful engine. Moreover, the maximum operating speed of the model exceeds 170 km/h, this is not the limit....