Home
Class 12
PHYSICS
A series LCR circuit containing a resist...

A series LCR circuit containing a resistance of `120 Omega` has angular resonance frequency `4 xx 10^(5) rad s^(-1)`. At resonance the vlotage across resistance and inductance are 60V and 40 V, repectively,
At what frequency, the current in the circuit lags the voltage bu `45^(@)` ?

Text Solution

Verified by Experts

The correct Answer is:
`2xx10^(-4)H, (1)/(32) mu F, 8xx10^(5)rad//s`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Discussion Question-|21 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Conceptual MCQs|63 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 5.6|8 Videos

  • CURRENT ELECTRICITY

    PHYSICS GALAXY - ASHISH ARORA|Exercise All Questions|389 Videos

  • ELECTROSTATICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numberical Problems|73 Videos

Similar Questions

Explore conceptually related problems

A series LCR- circuit containing a resistance of 120 Omega has angular resonance frequency 4 xx10^(5) rads^(-1) . At resonance the voltages across resistance and inductance are 60 V and 40 V respectively. Find the values of L and C. At what frequency the current in the circuit lags the voltage by 45^(@) ?

A series L-C-R circuit containing a resistance of 120Omega has resonance frequency 4xx10^5rad//s . At resonance the voltages across resistance and inductance are 60V and 40V , respectively. Find the values of L and C .At what angular frequency the current in the circuit lags the voltage by pi//4 ?

Knowledge Check

  • A series LCR circuit containing a resistance of 120 Omega has angular resonance frequency 4 xx 10^(5) rad s^(-1) . At resonance the vlotage across resistance and inductance are 60V and 40 V, repectively, the value of inductance L is

    A
    `0.1 mH`
    B
    `0.2 mH`
    C
    `0.35 mH`
    D
    `0.4 mH`

  • A series LCR circuit containing a resistance of 120 Omega has angular resonance frequency 4 xx 10^(5) rad s^(-1) . At resonance the vlotage across resistance and inductance are 60V and 40 V, repectively, The value of capacitance C is

    A
    `(1)/(32)(mu)F`
    B
    `(1)/(16)(mu)F`
    C
    `32(mu)F`
    D
    `16(mu)F`

  • A series LCR circuit containing a resistance of 120 ohm has angular resonance frequency 4 xx 10^(3)rad s^(-1) . At resonance, the voltage across resistance and inductance are 60V and 40 V respectively. The values of Land C are respectively

    A
    `20mH, 25//8muF`
    B
    `20mH,1//35muF`
    C
    `20mH, 1//40muF`
    D
    `2mH, 25//8muF`

    • Similar Questions

    Explore conceptually related problems

    In series LCR circuit R=120 Omega and it has resonant frequency 4000 rad//sec . At resonance, the voltage across resistance and inductance is 60 V and 40 V respectively. Find the value of L and C in circuit.

    An LCR series circuit containing resistance of 20omega has angular resonat frequency 4 xx 10^(5)ms^(-1) At resonance the voltage across resistance and inductance are 600V and 40V respectively The values of L and C are .

    An LCR series circuit containing a resistance of 12 Omega has angular resonance frequency 4 xx 10^(5) "rad" S^(-1) . At resonance the voltage across resistance and inductance are 60 V and 40 V respectively. Then the values of L and C are respectively.

    A series LCR circuit containing a resistance of 120 Omega has angular resonance frequency 4 xx 10^(5) "rads"^(-1) . At resonance the voltages across resistance and inductance are 60 V and 40 V respectively. (a) The value of L and C are 0.2 mH, 1/32 muF (b) If angular frequency is changed to 8xx10^(5) "rad"//s , the current lags the voltage by 45^(@) (c) If angular frequency is charged to 6xx10^(5) "rad"//s , the current lags the voltage by 45^(@)

    In a series resonant circuit, the ac, voltage across resistance R, inductance L and capacitance Care 5V, 10V and 10V, respectively. The ac. voltage applied to the circuit will be

    Home
    Profile