Electronics - RL Circuits - Discussion

Discussion Forum : RL Circuits - True or False (Q.No. 7)
7.
If a 7.5 komega.gif resistance is connected to a 10 komega.gif inductive reactance in a series RL circuit, then the impedance equals 12.5 komega.gif .
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Avijit said:   1 decade ago
WHY not it is 17.5?

Ajay burnwal7 said:   1 decade ago
z=sq root of(r^2+l^2)
=sq root[(7.5)^2+(10)^2]
=12.5

Ragulkumar said:   1 decade ago
Please explain this problem.

Sahithi tanguturi said:   1 decade ago
Given , r=7.5k
xL=wL=10k
z=r+jxL => mod z =sq root of(r^2+xL^2)

impedance Z=sqrt[(7.5)^2+(10)^2]
=12.5

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