Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Community ▾
A
A
In a series LCR circuit the resistance equals the… | StemPy Lab
Quizzes
/
In a series LCR circuit the resistance equals the inductive reactance, and the capacitive reactance is half of that. What is the power factor?
Physics
Hard
High School (11–12)
Electricity & Magnetism › Alternating Current
Electricity & Magnetism › Current Electricity
JEE Main
A-Level
IB
Created by
StemPy Lab
In a series LCR circuit the resistance equals the inductive reactance, and the capacitive reactance is half of that. What is the power factor?
2
/
5
2/\sqrt{5}
2/
5
1
/
5
1/\sqrt{5}
1/
5
1
/
2
1/\sqrt{2}
1/
2
3
/
2
\sqrt{3}/2
3
/2
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← A coil of resistance 5 Ω and reactance 12 Ω is joined to a 26 V (rms) source. What average power does it take?
The two half-power frequencies of a series resonant circuit are 2.37 MHz and 2.43 MHz, and its resonant frequency is 2.40 MHz. What is the quality factor? →
More on
Electricity & Magnetism › Alternating Current
Electricity & Magnetism › Current Electricity
Discussion (0)
Log in
to join the discussion.
Loading…
All questions on this topic →
Problems on this topic
An LC circuit has L = 0.50 H, C = 20 µF and a resistance of 2.0 Ω…
Hard
A capacitor of 12 µF is charged to 30 V…
Medium
A coil of 45 mH is joined to a capacitor of 0.80 µF…
Easy
A line has a total resistance of 12 Ω. At the sending end the voltage is 33 kV and the current is…
Hard
All problems on this topic →