A resistance of `100 Omega`, a coil inductance 5 mH and a capacitor of `10 muF` are joined in series. When this L-C-R circuit is joined to a suitable

Question

A resistance of `100 Omega`, a coil inductance 5 mH and a capacitor of `10 muF` are joined in series. When this L-C-R circuit is joined to a suitable

A resistance of `100 Omega`, a coil inductance 5 mH and a capacitor of `10 muF` are joined in series. When this L-C-R circuit is joined to a suitable frequency a.c., the circuit resonates. What is the effect on the resonant frequency, if the resistance is made `50 Omega`?
A. It is halved
B. it is doubled
C. it does not change
D. it is tripled

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Related Questions

Given the resistances of `1 Omega, 2 Omega, 3 Omega` how will be combine them to get an equivalent resistance of (i) (11/3) `Omega` (ii) (11/5) `Omega

2 Answers 4 Views

An LC circuit contains a 20 mH inductor and a `50 muF` capacitor with an initial charge of 10 mC. The resistance of circuit is negligible. Let the ins

2 Answers 4 Views

यदि `omega` इकाई का घनमूल है और हो `A=[{:(,1,1,1),(,1,omega,omega^(2)),(,1,omega^(2),omega):}]`, तो दर्शाइए की `A^(-1)=1/3 [{:(,1,1,1),(,1,omega^(2),o

2 Answers 5 Views

A `2.5//pi` `muF` capacitor and a 3000 ohm resistance are joined in series to an a.c. source of 200 volt and `50 "sec"^(-1)` frequency. The power fact

2 Answers 5 Views

An L-C_R series circuit is joined to a source of alternating e.m.f. If `R=9 Omega, X_(L)=28 Omega, X_(C)=16 Omega`, then the impedance of the circuit

2 Answers 4 Views

A coil having an inductance of 50 mH and a resistance of `10 Omega` is connected in series with a `25 muF` capacitor across a 200 V supply. What is th

2 Answers 4 Views

An inductance of 100 mH and a resistance of 100 `Omega` are connected in series and an alternating emf of peak value 100 V, 50 Hz is applied across th

2 Answers 5 Views

A coil resistance `20 Omega` and inductance `5 H` is connected with a `100 V` battery. Energy stored in the coil will be

2 Answers 5 Views

A coil has an inductance of 0.5 H is connected in series with a resistance of 50 `Omega` to 240 V, 50 Hz AC. The maximum current in the circuit is

2 Answers 6 Views

A coil of resistance 100 `Omega` having 100 turns is placed in a magnetic field. A galvanometer of resistance `400 Omega` is connected in series with

2 Answers 9 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
The resnant frequency, `f = 1/(2pisqrt(LC))`
It does not depend upon the value of the resistance. Hence f will remain the same, evem if R is made `50 Omega or 200 Omega`.

5 views Answered 2023-02-05 15:29