Question
Current is ____.
Answer
Current is the flow of electric charge.
By convention, current is defined as the movement of positive charge
In reality, only electrons actually move in a circuit, but the notation goes opposite of these negative charges
Note: The above diagram shows the direction of electric charge in regards to how it is notated. Remember, in reality, the only things that move are electrons and they move up to a higher voltage
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____ are physical quantities that have both magnitude and direction .
Vectors are physical quantities that have ____ .
____ are quantities that have only a magnitude .
Scalars are quantities that have ____.
For vector addition , use the ____.
For vector ____, use the tip-to-tail method, or you can break the vector into its component parts and use the Pythagorean Theorem.