Smaller resistance, higher current and opposite

Author: Radoje Jankovic. The figure from Jankovic dokumentation. The bulb rated voltage is 4,5 V and the current Ib = 0,3 A. The resistance of rheostat is 10 Ohms and the battery voltage is 4 V. The bulb is connected in the circuit as shown left and in the pictorial view right. The nominal resistance […]