Electronics - RL Circuits

Exercise :: RL Circuits - Filling the Blanks

6. 

The impedance of a series circuit when R = 15 komega.gif and XL = 10 komega.gif is approximately equal to ________.

A. 5 komega.gif
B. 6 komega.gif
C. 18 komega.gif
D. 25 komega.gif

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

7. 

The given circuit is a _______.

A. low-pass filter
B. high-pass filter
C. band-pass filter
D. band-stop filter

Answer: Option A

Explanation:

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8. 

If the frequency decreases in the given circuit, then _____.

A. IT decreases
B. IR increases
C. IL increases
D. none of the currents will change

Answer: Option C

Explanation:

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9. 

The cutoff frequency of the circuit in the given circuit is approximately equal to _____.

A. 21 Hz
B. 60 Hz
C. 0 Hz
D. 365 Hz

Answer: Option D

Explanation:

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10. 

In the circuit given is, _____.

A. VR leads VL
B. VR lags VL
C. VR is in phase with VL
D. VR, VL, and VS are all in phase

Answer: Option A

Explanation:

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