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In an AC circuit, if the frequency is increased, what happens to the inductive r
In an AC circuit, if the frequency is increased, what happens to the inductive reactance? (2020)
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Practice Questions
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Q1
In an AC circuit, if the frequency is increased, what happens to the inductive reactance? (2020)
It increases
It decreases
It remains constant
It becomes zero
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Inductive reactance (XL = 2πfL) increases with an increase in frequency.
Questions & Step-by-step Solutions
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Q
Q: In an AC circuit, if the frequency is increased, what happens to the inductive reactance? (2020)
Solution:
Inductive reactance (XL = 2πfL) increases with an increase in frequency.
Steps: 5
Show Steps
Step 1: Understand what inductive reactance is. It is the opposition that an inductor offers to the flow of alternating current (AC).
Step 2: Know the formula for inductive reactance, which is XL = 2πfL, where XL is inductive reactance, f is frequency, and L is inductance.
Step 3: Identify the relationship between frequency and inductive reactance in the formula. Notice that XL depends on frequency (f).
Step 4: Realize that if the frequency (f) increases, the value of XL will also increase because they are directly related.
Step 5: Conclude that in an AC circuit, increasing the frequency leads to an increase in inductive reactance.
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