You are installing a new battery in your car. Although there are two terminals on the battery you hook up only one of your car's battery cables to the battery. Hooked up like this, the current that would then flow through the headlights when turned on is
A) zero.
B) twice the current that flowed when both terminals were present and plugged in.
C) the same as the current that flowed when both terminals were present and plugged in.
D) half the current that flowed when both terminals were present and plugged in.

Question

Quizplus · Accepted Answer

For current to flow through a circuit, a complete path must be established from the power source, through the circuit, and back to the power source. By connecting only one terminal of the battery, the circuit remains open, and no current can flow.

You Are Installing a New Battery in Your Car