Home
Class 12
PHYSICS
1Voltage (r. m. s) in the secondary coil...

1Voltage (r. m. s) in the secondary coil of a transformer depends upon
(1) voltage in the primary coil
(2) ratio of number of turns in the two coils
(3) frequency of the source
(4) time-period of the source

A

1, 2 and 3 are correct

B

1 and 2 are correct

C

2 and 4 are correct

D

1 and 3 are correct

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF MATTER AND RADIATION

    DISHA|Exercise Physics|30 Videos

  • ELECTROMAGNETIC WAVES

    DISHA|Exercise Physics|29 Videos

Similar Questions

Explore conceptually related problems

Voltage in the secondary coil of a transfomer does not depend upon

The number of turns in secondary coil of a transformer is 100 times the number of turns in primary coil. What is the transformer ratio ?

The number of turns in the primary coil of a transformer are 100 and that in the secondary coil are 200. What type of transformer is it ? If the input voltage in the primary coil of the transformer is 200 V, find the output voltage in the secondary coil of the transformer.

A transformer steps up in A.C voltage from 230V to "2300V" .If the number of turns in the secondary coil is "1000" ,the number of turns in the primary coil will

A transformer steps an A.C voltage from 230 V ot 2300 V . If the number of turns in the secondary coil is 1000, the number of turns in the primary coil will be

The input voltage and output voltage in the primary and secondary coils of a transformer are 250 V and 5 V, respectively. If the number of turns in the primary coil of the transformer is 1000, find the number of turns in its secondary coil. Also mention, whether the transformer is a step-up one or a step-down one ?

A transformer steps up an A.C. voltage from 230 V to 2300 V. If the number of tunrs in the secondary coil is 1000, the number of turns in the primary coil will be

The ratio of number of turns in the primary to secondary coil of a transformer is 3.2 and the total number of turns in both the coils put together is 300. The output voltage is 200 V. Find the number of turns in each coil and the input voltage.

The ratio of turns in the primary and secondary coils of a transformer is 1:15 . If the voltage and current in the primary coil are 12 volt and 30 ampere respectively then what will be the voltage and current in secondary coil?

DISHA-ELECTROMAGNETIC INDUCTION-Physics
  1. A current of 5A is flowing at 220V in the primary coil of a transforme...

    Text Solution

    |

  2. An inductor (L = 100 mH), a resistor (R = 100Omega) and a battery (E =...

    Text Solution

    |

  3. which of ther following is constructed on the principle of electromagn...

    Text Solution

    |

  4. In the circuit, E = 10 volt, R(1) = 5.0 ohm, R(2) = 10 ohm and L = 5.0...

    Text Solution

    |

  5. Two inductors L(1) and L(2) are at a sufficient distance apart. Equiva...

    Text Solution

    |

  6. If the current in the primary coil is reduced from 3.0 ampere to zero ...

    Text Solution

    |

  7. A 50 Hz a.c. current of crest value 1A flows through the primary of a ...

    Text Solution

    |

  8. In an inductor of inductance L=100mH, a current of I=10A is flowing. T...

    Text Solution

    |

  9. A step up transformer has transformation ratio 5 : 3. What is voltage ...

    Text Solution

    |

  10. A step down transformer has turn ration 100//1. If secondary coil has ...

    Text Solution

    |

  11. A step-down transformer is used on a 1000 V line to deliver 20A at 120...

    Text Solution

    |

  12. Energy stored in an inductor is proportional to (i = current in the in...

    Text Solution

    |

  13. 1Voltage (r. m. s) in the secondary coil of a transformer depends upon...

    Text Solution

    |

  14. Large transformers, when used for some time, become hot and are cooled...

    Text Solution

    |

  15. In Fig. there is a conducting loop ABCDEF of resistance lambda per uni...

    Text Solution

    |

  16. In Fig. there is a conducting loop ABCDEF of resistance lambda per uni...

    Text Solution

    |

  17. In Fig. there is a conducting loop ABCDEF of resistance lambda per uni...

    Text Solution

    |

  18. Assertion: Soft iron is used as transformer core. Reason: Soft iron ...

    Text Solution

    |

  19. Assertion : An electric motor will have maximum efficiency when back e...

    Text Solution

    |

  20. Statement-1 : A transformer cannot work on dc supply. Statement-2 ...

    Text Solution

    |