Home
Class 12
PHYSICS
The ratio of secondary to the primary tu...

The ratio of secondary to the primary turns in a transformer is `3:2`. If the power output be `P`, then the input power neglecting all loses must be equal to

A

5P

B

`sqrt(5)P`

C

P/5

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs|33 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Conceptual MCQs|63 Videos

  • CURRENT ELECTRICITY

    PHYSICS GALAXY - ASHISH ARORA|Exercise All Questions|389 Videos

  • ELECTROSTATICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numberical Problems|73 Videos

Similar Questions

Explore conceptually related problems

The ratio of secondry to the primary turns in a trans is 9:4 . If the power input be P , what will be the ratio of power output (neglect all losses) to power input

The ratio of secondary to primary turns is 4:5. if power input is P, then the ratio of power output to power input is

A step down transformer converts transmission line voltage from 11000 V to 220 V. The primary of the transformer has 6000 turns and efficiency of the transformer is 60%. If the output power is 9 kW, then the input power 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 secondary and primary turns of step-up transformer is 4 : 1.If a current of 4A is applied to the primary , the induced current in secondary will be

For an ideal transformer ratio of output ot the input power is always

The ratio of output power to input power of an elecrtic device is called…….

PHYSICS GALAXY - ASHISH ARORA-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT-Numerical MCQs
  1. In the circuit shown in figure L=10H, R=5Omega, E=15V. The switch S is...

    Text Solution

    |

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

    Text Solution

    |

  3. The ratio of secondary to the primary turns in a transformer is 3:2. I...

    Text Solution

    |

  4. Two ends of an inductor of inductance L are connected to two parallel ...

    Text Solution

    |

  5. A 40Omega electric heater is connected to a 200V, 50Hz main supply. Th...

    Text Solution

    |

  6. A transformer is used to light a 100 W and 110 V lamp from a 220V main...

    Text Solution

    |

  7. Two parallel long straight conductors lie on a smooth plane surface. T...

    Text Solution

    |

  8. An alternating voltage is connected in series with a resistance R and ...

    Text Solution

    |

  9. A magnet is taken towards a conducting ring in such a way that a const...

    Text Solution

    |

  10. A conducnting straight wire PQ of length l is fixed along as diameter ...

    Text Solution

    |

  11. An inductive circuit a resistance of 10ohm and an inductance of 2.0 h...

    Text Solution

    |

  12. A rectangular loop with a sliding connector of length 10 cm is situate...

    Text Solution

    |

  13. A 20volts AC is applied to a circuit consisting of a resistance and a...

    Text Solution

    |

  14. A square loop of side b is rotated in a constant magnetic field B at a...

    Text Solution

    |

  15. A resistance of 300Omega and an inductance of 1/(pi) henry are connect...

    Text Solution

    |

  16. An inductor L and a capacitor C are connected in the circuit as shown ...

    Text Solution

    |

  17. Switch S is closed t=0, in the circuit shown. The change in flux in th...

    Text Solution

    |

  18. An electric current i(1) can flow in either direction through loop-1 a...

    Text Solution

    |

  19. The network shown in the figure is a part of complete circuit. What is...

    Text Solution

    |

  20. A simple LR circuit is connected to a battery at time t = 0. The energ...

    Text Solution

    |