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exists and is an alternate of . The`D' sized battery, `AA, `AAA` and `C' sized batteries are manufactured to have a nominal 1.5 volts. The electromotive force (open-circuit voltage) produced by a cell is a function of the materials used in the manufacture of its electrodes, and has nothing whatsoever to do with it physical size.
as described in Experiment 1. Assuming positive logic, in the 74LS TTL family LOW (L) voltages in the range 0 V to 0.8 V are considered to be logic 0, and HIGH (H) voltages in the. range 2.0 V to 5.5 V are considered to be logic 1. Figure 3.1 illustrates the voltage levels for all. possible input combinations to a two-input TTL NAND gate. Figure 3.1 Voltage Level Table for a Two-input TTL NAND Gate.