A series LCR circuit containing a resistance of 120 ohm has angular resonance frequency 4 x 103rads−1. At resonance, the voltage across resistance and inductance are 60V and 40V respectively. The values of L and C are respectively :
A
20 mH, 25/8 μF
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
2 mH, 1/35 μF
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
20 mH, 1/40 μF
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
2 mH, 25/8 nF
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A 20 mH, 25/8 μF Resistance,R=120Ω
angular resonance frequency w=4×103rad/s
voltage across resistance VR=60V and the voltage across inductance i,VL=40V