5.1.1 Understanding electric current

• How do electric charges interact with each other?

  They attract or repel each other
• In the formula $I =$$\frac{Q}{t}$, what does <latex{Q}</latex> represent?


  Charge
• What does time ($t$) measure in the electric current formula?


  Duration for charge to pass through
• What is electric current represented by?

  It is represented by $I$
• What analogy is used to explain electric current?

  A river flowing with water
• What does the formula $I =$$\frac{Q}{t}$ represent?


  Current equals charge divided by time
• In the equation $I =$$\frac{Q}{t}$, what does $Q$ represent?


  Total charge flowing
• How is electric current defined?

  It is the rate of charge movement through a conductor
• What does a current of 6 amperes indicate for the appliance?

  It indicates the rate of charge consumption
• In the formula $I =$$\frac{Q}{t}$, what does <latex{t}</latex> represent?


  Time
• If $Q =$$60 \text{C}$ and $t =$$10 \text{s}$, what is the current?


  $I =$$6 \text{A}$
• How does time allow us to calculate charge flow?

  It helps determine coulombs per second
• If 24 C passes in 4 s, what is the current?

  6 A
• What is the relationship between time, charge, and current in the formula $I =$$\frac{Q}{t}$?


  • $I$ is current
  • $Q$ is charge
  • $t$ is time
  • Longer time ($t$) results in lower current ($I$)
• What is the current when 30 coulombs pass in 5 seconds?

  $6 \text{A}$
• In what unit is electric current measured?

  Amperes (A)
• What is electric charge represented by?

  $Q$
• What happens when positive and negative charges interact?

  • Positive and negative charges attract each other
  • Positive and positive charges repel each other
  • Negative and negative charges repel each other
• What are the two types of electric charge?

  Positive and negative
• How is time related to current in the context of charge movement?

  Longer time means lower current
• What does the calculation $I =$$\frac{60}{10}$ represent?


  It represents the current in amperes
• How is current calculated using the formula $I =$$\frac{Q}{t}$?


  By dividing charge by time
• What is the unit of measurement for electric charge?

  Coulombs (C)
• How do you calculate the current if 30 coulombs of charge pass through a wire in 5 seconds?

  By using $I =$$\frac{30 \text{C}}{5 \text{s}}$
• What does current measure in the formula $I =$$\frac{Q}{t}$?


  How much charge flows per second
• What does a larger number of charges flowing per second mean?

  It means a higher electric current
• What is the formula for calculating electric current?

  $I =$$\frac{Q}{t}$
• In what unit is time measured in the context of electric current?

  Seconds (s)
• How do you calculate the current for an appliance using 12 coulombs in 2 seconds?

  By using $I =$$\frac{12 \text{C}}{2 \text{s}}$
• What does a higher current indicate in the water analogy?

  A larger amount of water flowing per second