Home
Class 12
PHYSICS
The reactance of a circuit is zero It is...

The reactance of a circuit is zero It is possible that the circuit contains
(i) an inductor and a capacitor
(ii) an inductor but no capacitor
(iii) a capacitor but no inductor
(iv) neither an inductor nor a capacitor .

A

(i),(ii)

B

(ii),(iii)

C

(i),(iv)

D

(iii),(iv)

Text Solution

Verified by Experts

The correct Answer is:
C

It may be that `X_(L) = X_(C)` .
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    CP SINGH|Exercise EXERCISES|84 Videos
  • BOHR THEORY

    CP SINGH|Exercise Exercises|80 Videos

Similar Questions

Explore conceptually related problems

What is the power factor of an A circuit containing inductor or capacitor ?

The parallel combination of inductor and capacitor is called as

Give the expression for the phase angle in an AC circuit containing resistor inductor and capacitor .

An LC circuit contains a 20 mH inductor and 25 mu F capacitor with an initial charge of 5 mC. The total energy stored in the circuit initially is

The value of impedance in parallel LC circuit at resonance is (assuming inductor and capacitor to be ideal)

The carrier frequency generated by a tank circuit containing 1 nF capacitor and 10 muH inductor is

Switch S is cloesd in the circuit at time t = 0 . Find the current through the capacitor and the inductor at any time t

Why inductors or capacitors are used in AC circuits for controlling currents ?

CP SINGH-ALTERNATING CURRENT-EXERCISES
  1. In the circuit shown in figure the voltage in L and in C are .

    Text Solution

    |

  2. A capacitor of 10muF and an inductor of 1 H are joined in series An ac...

    Text Solution

    |

  3. The reactance of a circuit is zero It is possible that the circuit con...

    Text Solution

    |

  4. Which of the following plots may represent the reactance of a series L...

    Text Solution

    |

  5. In an a.c. Circuit the voltage applied is E=E(0) sin (omega)t. The res...

    Text Solution

    |

  6. In an AC circuit, V and I are given by V=100sin(100t)volts, I=100sin(1...

    Text Solution

    |

  7. The power in ac circuit is given by P=E(rms)I(rms)cosphi. The vale of ...

    Text Solution

    |

  8. The potential differences V and the current i flowing through an instr...

    Text Solution

    |

  9. In the given LR circuit the source has angular frequency omega The pow...

    Text Solution

    |

  10. An ac source is connected across a resistance of 10 Omega The power di...

    Text Solution

    |

  11. In an AC circuit, the power factor

    Text Solution

    |

  12. The average power dissipated in a pure inductor L carrying an alternat...

    Text Solution

    |

  13. An AC source rated 100 V (rms) supplies a current of 10 A(rms) to a ci...

    Text Solution

    |

  14. In an LCR circuit the energy is dissipated in

    Text Solution

    |

  15. Power delivered by an ac source of angular frequency Omega(0) to an LC...

    Text Solution

    |

  16. Two coils A and B are connected in series across a 240V ,50 Hz supply ...

    Text Solution

    |

  17. In previous question the resistance of coil B is

    Text Solution

    |

  18. In previous question the resistance of coil A is .

    Text Solution

    |

  19. A choke coil has.

    Text Solution

    |

  20. A choke coil is preferred to a resistance for reducing current in an a...

    Text Solution

    |