The resistance of the small bulb is about 8 Ω, the power supply voltage is 1.5V, and the range of the ammeter is 0-0.6a

The resistance of the small bulb is about 8 Ω, the power supply voltage is 1.5V, and the range of the ammeter is 0-0.6a

The reading is too small
Change to 0-0.3a range