Home
Class 12
PHYSICS
Define the turn ratio, voltage ratio and...

Define the turn ratio, voltage ratio and current ratio of a transformer.

Promotional Banner

Topper's Solved these Questions

  • ATOMS AND NUCLEI

    R G PUBLICATION|Exercise EXERCISE|72 Videos

Similar Questions

Explore conceptually related problems

How are eddy currents minimised in a transformer?

Find the ratio of 1 cm and 1 m.

A transformer with primary to secondary turns ratio of 1 : 2, is connected to an alternator of voltage 200 V. A current of 4 A is flowing through the primary coil. Calculate the voltage and the current flowing in the secondary.

What is the ratio of e/m

Prove that in two equiangular triangles the ratio of the corresponding sides and the ratio of the bisectors of the corresponding angles are equal. [The end-points of the bisectors are on the opposite sides of the angles.]

The turns-ratio of a step up transformer is 1:10 and a current of 1.5 A is passed through the primary at 220 V. Obtain the values of voltage and the current in the secondary.

The ratio of the radii of two cylinders is 2:3 and the ratio of their heights is 5:3.Find the ratios of their volumes and their curved surfaces.

R G PUBLICATION-ALTERNATING CURRENT-EXERCISE
  1. What are the two reasons for which LC Oscillations is not realistic?

    Text Solution

    |

  2. Differentiate between step up and step down transformer.

    Text Solution

    |

  3. Define the turn ratio, voltage ratio and current ratio of a transforme...

    Text Solution

    |

  4. An ideal inductor consumes no power in the circuit. Explain.

    Text Solution

    |

  5. Show that the average power dissipated depends not only on only on the...

    Text Solution

    |

  6. Discuss grow and decay of current in L-R ckt?

    Text Solution

    |

  7. What is meant by mean value of a.c. Derive an expression for mean valu...

    Text Solution

    |

  8. Discuss parellel resonance circuit. Where is it used?

    Text Solution

    |

  9. An ideal inductor consumes no power in the circuit. Explain.

    Text Solution

    |

  10. In what situation it is preferable to use an a.c. over dc.?

    Text Solution

    |

  11. A capacitor allows only a.c. to pass through. Why?

    Text Solution

    |

  12. Calculate the phase difference between voltage and current when circui...

    Text Solution

    |

  13. Calculate the energy stored in a capacitor.

    Text Solution

    |

  14. With a diagram show that in pure resistor, the voltage and current are...

    Text Solution

    |

  15. An ac voltage is applied to a series of LCR circuit. Determine the in...

    Text Solution

    |

  16. "Larger the value of Q, the smaller of the value of 2 Delta omega or t...

    Text Solution

    |

  17. A resistor of 100Omega and a capacitor of 20/pi muF are connected in s...

    Text Solution

    |

  18. Show that the LC oscillation is similar to the mechanical oscillation ...

    Text Solution

    |

  19. What are the main two types of transformer.

    Text Solution

    |

  20. A transformer is used to illuminate a bulvb (36 watt and 12v) with the...

    Text Solution

    |