Paragraph comprehension · Difficulty 1
Try this ASVAB-style question.
Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.
A battery stores chemical energy. When connected in a complete circuit, chemical reactions create an electric potential that can drive current. What must exist for current to flow?
- An open circuit
- A complete circuit
- A larger battery case
- A plastic conductor
Reveal answer and explanation
A complete circuit
The passage states that the battery drives current when connected in a complete circuit.