Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Alternating Current

Olympiad workbook · NSEP · Alternating Current

Impedance of a given series LCR circuit, fed with alternating...

Impedance of a given series LCR circuit, fed with alternating current, is the same for two frequencies

f_1

and

f_2

. The resonance frequency

f_R

of the circuit is

Options

A $\frac{f_1+f_2}{2}$
B $\frac{2 f_1 f_2}{f_1+f_2}$
C $\sqrt{f_1 f_2}$
D $\sqrt{f_1^2+f_2^2}$

Correct answer

C. $\sqrt{f_1 f_2}$

Step-by-step solution

No Solution

Practice Alternating Current on Quantrex Academy →

More from Alternating Current

Circuit A is a series LCR circuit with C_ A =C and L_ A =L . Another circuit B has C_ B… Olympiad workbook The impedance (Z) of three electrical components e_1, e_2 and e_3 has frequency (f)… Olympiad workbook A 10 ohm resistor is connected to a supply voltage alternating between +4 V and -2 V as… Olympiad workbook In a series R-C circuit the supply voltage (V ~s) is kept constant at 2 V and the… Olympiad workbook After charging a capacitor C to a potential V , it is connected across an ideal inductor… Olympiad workbook The same alternating voltage v=V_0 (ω t) is applied in both the LCR circuits shown below.… Olympiad workbook In the following circuit the current is in phase with the applied voltage. Therefore, the… Olympiad workbook In a series LCR circuit fed with an alternating emf E=E_0 ω t , Olympiad workbook Full Alternating Current list All Olympiad workbook PYQs