What is the equivalent impedance (Z) of a 4Ω resistor in series with a 3Ω resist

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Question: What is the equivalent impedance (Z) of a 4Ω resistor in series with a 3Ω resistor?

Options:

Correct Answer: 7Ω

Solution:

Z = R1 + R2 = 4Ω + 3Ω = 7Ω.

What is the equivalent impedance (Z) of a 4Ω resistor in series with a 3Ω resistor?

What is the equivalent impedance (Z) of a 4Ω resistor in series with a 3Ω resistor?

Step 1: Identify the resistors in the circuit. We have a 4Ω resistor (R1) and a 3Ω resistor (R2).
Step 2: Understand that when resistors are in series, their total impedance (Z) is the sum of their individual resistances.
Step 3: Write the formula for total impedance in series: Z = R1 + R2.
Step 4: Substitute the values of the resistors into the formula: Z = 4Ω + 3Ω.
Step 5: Perform the addition: 4Ω + 3Ω = 7Ω.
Step 6: Conclude that the equivalent impedance (Z) is 7Ω.

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