Home
Class 12
PHYSICS
In given figure three curves a, b and c ...

In given figure three curves a, b and c shows variation of resistance, (R) capacitive reactance `(X_c)` and inductive `(X_L)` reactance with frequency. Identify the respective curves for these.

Promotional Banner

Topper's Solved these Questions

  • UNIT–III & UNIT–IV MAGNETIC EFFECTS OF CURRENT AND MAGNETISM & E.M.I. AND ALTERNATING CURRENT

    CBSE COMPLEMENTARY MATERIAL|Exercise SHORT ANSWER QUESTIONS (2 Marks)|41 Videos

  • UNIT–III & UNIT–IV MAGNETIC EFFECTS OF CURRENT AND MAGNETISM & E.M.I. AND ALTERNATING CURRENT

    CBSE COMPLEMENTARY MATERIAL|Exercise SHORT ANSWERS QUESTIONS (3 Marks)|27 Videos

  • SAMPLE QUESTION PAPER 2019

    CBSE COMPLEMENTARY MATERIAL|Exercise Section C|19 Videos

Similar Questions

Explore conceptually related problems

An alternating power supply of 220 V is applied across a series circuit of resistance 10sqrt(3)Omega, capacitive reactance 40 Omega and inductive reactance 30 Omega The respective current in the circuit in the circuit for zero and infinite frequencies are

How does inductive reactance vary when frequency of a.c. source in the circuit is halved ?

Plot a graph showing variation of capacitive reactance with the change in the frequency of the AC source.

In L-R circuit, resistance is 8Omega and inductive reactance is 6Omega then impedance is:

The inductance of a coil is 0.25 H. Calculate its inductive reactance in a.c. frequency 50 Hz.

Identify the graph which correctly reperesents the variation of capacitive reactance X_C with frequency

CBSE COMPLEMENTARY MATERIAL-UNIT–III & UNIT–IV MAGNETIC EFFECTS OF CURRENT AND MAGNETISM & E.M.I. AND ALTERNATING CURRENT-(NUMERICALS)
  1. In given figure three curves a, b and c shows variation of resistance,...

    Text Solution

    |

  2. An electron travels on a circular path of radius 10 m in a magnetic fi...

    Text Solution

    |

  3. A charge particle of mass m and charge q entered into magnetic field B...

    Text Solution

    |

  4. Calculate the magnetic field due to a circular coil of 500 turns and o...

    Text Solution

    |

  5. An electron of kinetic energy 10 keV moves perpendicular to the direct...

    Text Solution

    |

  6. If the current sensitivity of a moving coil galvanometer is increased ...

    Text Solution

    |

  7. A uniform wire is bent into one turn circular loop and same wire is ag...

    Text Solution

    |

  8. A horizontal electrical power line carries a current of 90A from east ...

    Text Solution

    |

  9. A galvanometer with a coil of resistance 90Omega shows full scale defl...

    Text Solution

    |

  10. Two identical circular loops P and Q carrying equal currents are place...

    Text Solution

    |

  11. A cyclotron’s oscillator frequency is 10 MHz. What should be the opera...

    Text Solution

    |

  12. The coil of a galvanometer is 0.02 × 0.08 m2. It consists of 200 turns...

    Text Solution

    |

  13. A voltmeter reads 5V at full scale deflection and is graded according ...

    Text Solution

    |

  14. A short bar magnet placed with its axis at 30° with an external field ...

    Text Solution

    |

  15. What is the magnitude of the equatorial and axial fields due to a bar ...

    Text Solution

    |

  16. What is the magnitude of magnetic force per unit length on a wire carr...

    Text Solution

    |

  17. Two moving coil metres M(1) and M(2) have the following particular R(1...

    Text Solution

    |

  18. Figure shows a small magnetised needle P placed at a point O. The arro...

    Text Solution

    |

  19. Figure shows a small magnetised needle P placed at a point O. The arro...

    Text Solution

    |

  20. Figure shows a small magnetised needle P placed at a point O. The arro...

    Text Solution

    |

  21. In the circuit, the current is to be measured. What is the value of th...

    Text Solution

    |