Exercise: Rl Circuits

Questions for: Rl Circuits

The given circuit is a _______.

A:
low-pass filter
B:
high-pass filter
C:
band-pass filter
D:
band-stop filter
Answer: A
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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: C
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In the given circuit, IT equals _____.

A:
0.5 A
B:
2 A
C:
1.5 A
D:
2.5 A
Answer: D
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The frequency at which XL = R in an RL circuit is called the _______________.
A:
cutoff frequency
B:
optimum frequency
C:
bandwidth characteristic
D:
resonant frequency
Answer: A
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If VS increases in the given circuit, then the _____.

A:
impedance increases
B:
real power decreases
C:
phase angle increases
D:
current increases
Answer: D
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