Charge and Current

Cards (9)

  • What is the unit of electric charge?
    Coulombs (C)
  • What does electric charge represent in a circuit?
    It is the amount of electricity flowing around a circuit.
  • How is current defined in terms of electric charge?
    Current (I) is the flow of electric charge.
  • What is the unit of current?
    Amperes (A)
  • What is the formula for calculating current?
    The formula is I=I =Qt \frac{Q}{t}, where I is current, Q is charge, and t is time.
  • What does the variable 't' represent in the current formula?
    't' represents time in seconds.
  • In which direction is current considered to flow in a circuit?
    Current is considered to flow from the positive side of the battery to the negative side.
  • What is the actual flow of electrons in a circuit compared to the direction of current?
    Electrons actually flow in the opposite direction of the current.
  • What are the key concepts related to electric charge and current?

    • Electric charge (Q) is measured in coulombs (C).
    • Current (I) is the flow of electric charge, measured in amperes (A).
    • Formula for current: I=I =Qt \frac{Q}{t}.
    • Current flows from positive to negative in circuits, while electrons flow the opposite way.