The main differences between emitter and collector are doping concentration and size. The emitter is heavily doped, while the collector is lightly doped. You could try to swap them, but you'll get a very low \$H_{FE}\$, probably even less than 1.
Image Credit: Photo: Oxmoor House. SEASON: Although available year-round, eggplant is at its peak from July to October. CHOOSING: When selecting, look for eggplants with firm, glossy skin. Size and color vary widely among types, but the eggplant should feel heavy. Avoid those with wrinkled skin, soft spots, or brown patches.
â¢ EGGPLANT (noun). The noun EGGPLANT has 2 senses: 1. egg-shaped vegetable having a shiny skin typically dark purple but occasionally white or yellow. 2. hairy upright herb native to southeastern Asia but widely cultivated for its large glossy edible fruit commonly used as a vegetable. Familiarity information: EGGPLANT used as a noun is rare. Dictionary entry details.