Which of the following scenarios will cause the current to stop flowing within a circuit?
a. insulating materials within the circuit are replaced with conducting materials.
b. a wire connected to the voltage source runs from the negative to the positive terminal.
c. the switch within the closed circuit is opened.
d. the circuit is closed.

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer