Electronics information · Difficulty 3
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.
Which situation is the best example of current?
- An ammeter measures charge flow through a wire.
- A resistor limits current through an LED.
- One household light can remain on when another branch is opened.
- A camera flash circuit briefly stores energy before releasing it.
Reveal answer and explanation
An ammeter measures charge flow through a wire.
current is the rate at which electric charge flows. An ammeter measures charge flow through a wire.