Question

Voltage can be thought of as which of these?

a. A pressure that moves electrons from one point to another
b. The amount of electrons per second that pass through a point
c. Current flow from an AC source
d. Both A and B

Answer 1

Voltage is best described as a pressure that moves electrons between two points, which is separate from the concept of electric current. Option a correctly defines voltage, while b and d describe electric current, not voltage.

Step-by-step explanation:

Voltage can be thought of as a pressure that moves electrons from one point to another. This concept is similar to water pressure that pushes water through a pipe or the electric potential that makes charge move. Current, on the other hand, is the rate at which electric charge flows, and is measured in amperes (A), where 1 A = 1 C/s. So, while voltage can create the conditions necessary for current to flow, it is not the same as current itself. Current flow from an AC source refers to the flow of electric charge that periodically reverses direction, meaning that it varies sinusoidally over time.

Therefore, of the given options, voltage is best described by option a: 'A pressure that moves electrons from one point to another'. Options b and d describe aspects of electric current, which is different from voltage.