1
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.25
Change Language
An alternating current is flowing through a series L-C-R circuit. It is found that the current reaches a value of 1 mA at both 200 Hz and 800 Hz frequency. What is the resonance frequency of the circuit?
A
600 Hz
B
300 Hz
C
500 Hz
D
400 Hz
2
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
When the frequency of the AC voltage applied to a series LCR circuit is gradually increased from a low value, the impedance of the circuit
A
monotonically increases
B
first increases and then decreases
C
first decreases and then increases
D
monotonically decreases
WB JEE Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12