Home
Class 12
PHYSICS
A circuit has a resistance of 50 ohms an...

A circuit has a resistance of `50 ohms` and an inductance of `3/pi` henry.It is connected in series with a condenser of `40/pi muF` and `AC` supply voltage of `200 V` and `50` cycles/sec.Calculate (i)the impedance of the circuit.
(ii)the p.d. across inductor coil and condenser.
(iii)Power factor

Text Solution

Verified by Experts

The correct Answer is:
`Z=50sqrt2"ohm", V_(c)=500sqrt2"volt and"`
`V_(L)=600sqrt200"volt", (1)/(sqrt2)`
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    RESONANCE ENGLISH|Exercise SECTION D: Resonance|10 Videos
  • ALTERNATING CURRENT

    RESONANCE ENGLISH|Exercise SECTION E:|6 Videos
  • ALTERNATING CURRENT

    RESONANCE ENGLISH|Exercise SECTION B|15 Videos
  • ATOMIC PHYSICS

    RESONANCE ENGLISH|Exercise Advanved level problems|17 Videos

Similar Questions

Explore conceptually related problems

A resistance of 40 ohms and an inductance of 95.5 millihenry are connected in series in a 50 cycle/sec AC circuit. The impedence of this combination is very nearly

A coil having an inductance of 1//pi henry is connected in series with a resistance of 300 Omega . If 20 volt from a 200 cycle source are impressed across the combination, the value of the phase angle between the voltage and the current is :

A coil having a resistance of 50.0 Omega and an inductance of 0.500 henry is connected to an AC source of 110 volts, 50.0 cycle/s. Find the rms value of the current in the circuit.

A coil of resistance 200 ohms and self inductance 1.0 henry has been connected in series to an a.c. source of frequency 200/pi Hz . The phase difference between voltage and current is

Find out the inductance of an inductor which should be connected in series with a capacitor of 5muF ,a resistance of 10Omega and an ac source of 50 Hz so that the power factor of the circuit is 1.

A coil has inductance of (11)/(5pi)H and is joined in series with a resistance of 220Omega . When an alternating emf of 220V at 50Hz is applied to it, then the wattless component of the current in the circuit is

A coil of inductive reactance 31 Omega has a resistance of 8 ohm . It is placed in series with a condenser of capacitive reactance 25 Omega . The combination is connected to an ac source of 110 V . The power factor of the circuit is

A coil of inductive reactance 31 Omega has a resistance of 8 ohm . It is placed in series with a condenser of capacitive reactance 25 Omega . The combination is connected to an ac source of 110 V . The power factor of the circuit is

A coil of inductive reactance 31 Omega has a resistance of 8 Omega . It is placed in series with a condenser of capacitive reactance 25 Omega . The combination is connected to an ac source of 110 V . The power factor of the circuit is

An alternating emf of 110 V is applied to a circuit containing a resistance R of 80Omega and an inductor L in series. The current is found to lag behind the supply voltage by an angle theta=tan^(-1)(3//4) . Find the : (i) Inductive reactance (ii) Impedance of the circuit (iii) Current flowing in the circuit (iv) If the inductor has a coefficient of self inductance of 0.1 H. What is the frequency of the applied emf?

RESONANCE ENGLISH-ALTERNATING CURRENT-SECTION C
  1. The dielectric strength of air is 3.0 xx 10^(8)V//m. A parallel plate ...

    Text Solution

    |

  2. An electric bulb is designed to consume 55 W when operated at 110 volt...

    Text Solution

    |

  3. A resistor, a capacitor and an inductor (R=300 Omega,C=20 muF,L=1.0hen...

    Text Solution

    |

  4. (a) In a series L-C-R circuit with an AC source, R = 300 Omega, C = 20...

    Text Solution

    |

  5. A 20 volts 5 watt lamp(lamp to be treated as a resistor) is used on AC...

    Text Solution

    |

  6. A circuit has a resistance of 50 ohms and an inductance of 3/pi henry....

    Text Solution

    |

  7. A coil draws a current of 1.0 ampere and a power of 100 watt from an A...

    Text Solution

    |

  8. An inductor 2//pi Henry, a capacitor 100//pimuF and a resistor 75 Omeg...

    Text Solution

    |

  9. A 0.21-H inductor and a 88-Omega resistor are connected in series to a...

    Text Solution

    |

  10. A 100 volt AC source of angular of angular frequency 500 rad//s is con...

    Text Solution

    |

  11. A pure resistive circuit element X when connected to an AC supply of p...

    Text Solution

    |

  12. In an AC circuit ,a resistance of R ohm, is connected in series with a...

    Text Solution

    |

  13. In an AC circuit the potential differences across an inductance and re...

    Text Solution

    |

  14. An AC voltage source V=200sqrt2 sin 100t is connected across a circuit...

    Text Solution

    |

  15. When 100 V DC is applied across a solenoid, a steady current of 1 A fl...

    Text Solution

    |

  16. In an LCR series ac circuit the voltage across L,C and R are V(1), V(2...

    Text Solution

    |