PDF Notes: Série 10-2 conducteurs ohmiques 2

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    What is the resistance of two resistors in series?

    The total resistance is the sum of individual resistances.

    What is the resistance of two resistors in parallel?

    The total resistance is less than the smallest individual resistance.

    How does adding a resistor in series affect current?

    It decreases the total current in the circuit.

    How does adding a resistor in parallel affect current?

    It increases the total current in the circuit.

    What happens to current when resistance decreases?

    Current increases if voltage remains constant.

    What is the equivalent resistance of R1 = 200 Ω and R2 = 100 Ω in series?

    The equivalent resistance is 300 Ω.

    What is the equivalent resistance of R3 = 150 Ω and R4 = 50 Ω in parallel?

    The equivalent resistance is less than 50 Ω.

    What is the effect of a voltage divider in a circuit?

    It distributes voltage across components based on their resistances.

    How do you calculate the total current from a generator?

    Use Ohm's law: I = U / R.

    What is the relationship between voltage, current, and resistance?

    Ohm's law states V = I * R.

    What is the equivalent resistance of three 1000 Ω resistors to achieve 333 Ω?

    Use two in parallel and one in series.

    What is the implication of having resistors in series?

    The total resistance increases with each added resistor.

    What is the implication of having resistors in parallel?

    The total resistance decreases with each added resistor.

    What happens to the total current if one resistor fails in series?

    The total current stops flowing.

    What happens to the total current if one resistor fails in parallel?

    The total current continues to flow through other paths.