It only occurs when there is an electric current
Speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. ... Velocity is the rate at which the position changes. The average velocity is the displacement or position change (a vector quantity) per time ratio.
Answer:
reflection
Explanation:
an example would be looking in the mirror
Dekaliter is 10 times bigger than 1 liter.
1 Dekalite = 10 Liters