Post a New Question


posted by .

At some automobile toll-collecting stations, a
thin metal wire sticks up from the road and
makes contact with cars before they reach the
toll collector.
What is the purpose of this wire?
1. To warn the drivers
2. To count the vehicles
3. To transfer positive particles to the automobile
4. To discharge the automobile
5. To transfer electrons to the automobile

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question