Home
Class 12
PHYSICS
The frequency of ac mains in India is...

The frequency of ac mains in India is

A

`30c//s` or `Hz`

B

`50c//s` or `Hz`

C

`60c//s` or `Hz`

D

`120c//s` or `Hz`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos

  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise CRITICAL THINKING|84 Videos

  • ELASTICITY

    TARGET PUBLICATION|Exercise Evaluation test|14 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

In determination of frequency of a.c. mains using a sonometer, a.c. is supplied to electromagnet

Frequency of A.C. in India is-

What is the value of frequency of AC in India?

If n is frequency of a.c. mains, then frequency of sonometer wire at resonance is

In India, the frequency of alternating current is ………………. .

The frequency of alternating current in India.

An ac generator G with an adjustable frequency of oscillation is used in the circuit, as shown. Current drawn from the ac souce will be maximum if its angular frequency is

In India, the frequency of AC is 50 Hz.

TARGET PUBLICATION-ELECTROMAGNETIC INDUCTION-COMPETITIVE THINKING
  1. An alternating voltage E=200sqrt(2) sin (100 t)V is connected to a 1 m...

    Text Solution

    |

  2. A capacitor of capacitance 10muF is connected to an AC source and an A...

    Text Solution

    |

  3. The frequency of ac mains in India is

    Text Solution

    |

  4. The ratio of peak value and r.m.s value of an alternating current is

    Text Solution

    |

  5. An alternating e.m.f. given by e=200 sin 50 t is applied to a circuit ...

    Text Solution

    |

  6. If instantaneous current is given by i=4 cos(omega t + varphi) amperes...

    Text Solution

    |

  7. For an A.C. given by I=50cos(100t+45^(@))A. The value of I(rms)=A.

    Text Solution

    |

  8. A multimeter reads a voltage of a certain A.C. source as 100V. What is...

    Text Solution

    |

  9. The number of turns in the coil of an A.C. generator is 100 and its cr...

    Text Solution

    |

  10. In an AC circuit, peak value of voltage is 423 volts. Its effective vo...

    Text Solution

    |

  11. A generator produces a time varying voltage given by V=240 sin 120 t, ...

    Text Solution

    |

  12. An e.m.f. E=4cos(1000t)volt is applied to an LR circuit of inductance ...

    Text Solution

    |

  13. An AC generator produced an output voltage E=170sin 377t volts , where...

    Text Solution

    |

  14. A.C. voltmeter is connected to a source of e(0)=141.4 volt, then it wi...

    Text Solution

    |

  15. An alternating voltage E=200sqrt(2)sin(100t) is connected to a 1 micro...

    Text Solution

    |

  16. What is the reactance of a capacitor connected to a constant DC source...

    Text Solution

    |

  17. A small signal voltage V(t)=V(0)sin omegat is applied across an ideal ...

    Text Solution

    |

  18. For series LCR circuit, the wrong statement is

    Text Solution

    |

  19. In the series LCR circuit, the power dissipation is through

    Text Solution

    |

  20. An alternating current of frequency 'f' is flowing in a circuit contai...

    Text Solution

    |