Electronics - RL Circuits - Discussion
Discussion Forum : RL Circuits - True or False (Q.No. 7)
7.
If a 7.5 k
resistance is connected to a 10 k
inductive reactance in a series RL circuit, then the impedance equals 12.5 k
.



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
=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
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
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers