Home
Class 12
PHYSICS
A circuit consists of a noninductive res...

A circuit consists of a noninductive resistor of `50 Omega`, a coil of inductance 0.3 H and resistance `2 Omega`, and a capacitor of `40 mu F` in series and is supplied with 200 volt rms at 50 cycles / sec.

A

the current lag or lead by an angle 15∘51

B

the power in the circuit is 710.4W

C

the power in th circuit is 640W

D

the current lag or lead by an angle 12∘51

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENTS

    MODERN PUBLICATION|Exercise EXERCISE|201 Videos
  • CAPACITOR

    MODERN PUBLICATION|Exercise EXAMPLE|262 Videos

Similar Questions

Explore conceptually related problems

A circuit consists of non inductive resistance of 50Omega , an inductance of 0.3 Henry and a capacitance of 40 microfarad in series and supplied with acurrent of 200 V- 50Hz.Find impedence and current in the circuit.

A coil of inductance 0.50 H and resistance 100 Omega is connected to a 240 V, 50 Hz ac supply. What is the maximum current in the coil?

A coil of inductance 0.50 H and resistance 100 Omega is connected to a 240 V, 50 Hz ac supply. What is the time lag between the voltage maximum and thecurrent maximum?

A resistance of 2 ohm a coil of inductance 0.01 H are connected with a capacitor and put across a 200 V and 50 Hz supply. Calculate the current and voltage across the capacitor at resonance.

MODERN PUBLICATION-ALTERNATING CURRENTS-EXERCISE
  1. A circuit consists of a noninductive resistor of 50 Omega, a coil of i...

    Text Solution

    |

  2. A lamp is connected in series with a capacitor to a high frequency a.c...

    Text Solution

    |

  3. An air core coil and an electric bulb are connected in series across a...

    Text Solution

    |

  4. Answer the following questions: A choke coil in series with a lamp is ...

    Text Solution

    |

  5. A lamp is connected in series with a capacitor. What will happen if d....

    Text Solution

    |

  6. Explain : voltages across L and C in series are 180^(@) out of phase, ...

    Text Solution

    |

  7. The total impedance of a circuit decreases, when a capacitor is added ...

    Text Solution

    |

  8. When an a.. Circuit with a series combination of inductance, capacitan...

    Text Solution

    |

  9. When a capacitor is connected in series LR circuit the alternating cur...

    Text Solution

    |

  10. An alternating voltage of frequency f is applied across LCR circuit. L...

    Text Solution

    |

  11. An alternating voltage of frequency f is applied across LCR circuit. L...

    Text Solution

    |

  12. Give applications of resonance in series LCR circuit.

    Text Solution

    |

  13. An capacitor C, a variable resistor R and a bulb B are connected in se...

    Text Solution

    |

  14. An capacitor C, a variable resistor R and a bulb B are connected in se...

    Text Solution

    |

  15. A capacitor with capacitance C and a coil with active resistance R and...

    Text Solution

    |

  16. An inductor L of inductance X(L) is connected in series with a bulb B ...

    Text Solution

    |

  17. An inductor L of inductance X(L) is connected in series with a bulb B ...

    Text Solution

    |

  18. As shown in figure an electric lamp having coil of negligible inductan...

    Text Solution

    |

  19. As shown in figure an electric lamp having coil of negligible inductan...

    Text Solution

    |

  20. In the circuit shown below R represents an electric bulb. If the frequ...

    Text Solution

    |

  21. Show in the figure, two electric circuits A and B. Calculate the ratio...

    Text Solution

    |