'If a light bulb shines after you wire it to a switch & battery, you've made a closed one of these'
circuit
BATTERIES: If a light bulb shines after you wire it to a switch & battery, youve made a closed one of these
If a light bulb shines after you wire it to a switch & battery, you've made a closed one of these
If a light bulb shines after you wire it to a switch & battery, you've made a closed one of these
BATTERIES
circuit
BATTERIES