What is the formula for the inductive reactance (X_L) in an AC circuit? (2022)

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Question: What is the formula for the inductive reactance (X_L) in an AC circuit? (2022)

Options:

Correct Answer: X_L = 2πfL

Exam Year: 2022

Solution:

The formula for inductive reactance is X_L = 2πfL, where f is the frequency and L is the inductance.

What is the formula for the inductive reactance (X_L) in an AC circuit? (2022)

What is the formula for the inductive reactance (X_L) in an AC circuit? (2022)

Step 1: Understand that inductive reactance (X_L) is a measure of how much an inductor resists the flow of alternating current (AC).
Step 2: Know that the formula for inductive reactance is X_L = 2πfL.
Step 3: Identify the variables in the formula: 'f' is the frequency of the AC signal (measured in hertz) and 'L' is the inductance of the inductor (measured in henries).
Step 4: Remember that '2π' is a constant that helps convert frequency into radians per second.
Step 5: To calculate X_L, you need to multiply 2, π (approximately 3.14), the frequency (f), and the inductance (L).

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