Home
Class 12
PHYSICS
A generator produces a time varying volt...

A generator produces a time varying voltage given by `V=240 sin 120 t,` where `t` is in second. The rms voltage and frequency are

A

`60Hz` and `240V`

B

`19Hz` and `120V`

C

`19Hz` and `170V`

D

`754Hz` and `70V`

Text Solution

Verified by Experts

The correct Answer is:
C
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

A generator produces a voltage that is given by V = 240 sin 120 t volt, where t is in second. The frequency and r.m.s. voltage are

An AC generator produced an output voltage E=170sin 377t volts , where t is in seconds. The frequency of AC voltage is

The instantaneous value of alterninig voltage is given by E = 140 sin 300 t. what is rms value of voltage and frequency of supply ? Take pi = 3 and sqrt2 = 1.4 .

A alternating voltage varies with time (t) as V=100sin(50pit) . The rms voltage and the frequency respectively, are

A coil of inductance 2H having negligible resistance is connected to a source of supply whose voltage is given by V = 3t volt. (where t is in second). If the voltage is applied when t = 0, then the energy stored in the coil after 4s is J.

If an alternating voltage is represented as E=141 sin (628 t) , then the rms value of the voltage and the frequency are respectively

If an alternating voltage is represented as E = 141 sin (628t), then the rms value of the voltage and the frequency are respectively.

If an alternating voltage is represented as v = 300 sin 600 t then the arms value of the voltage and the frequency are respectively :

TARGET PUBLICATION-ELECTROMAGNETIC INDUCTION-COMPETITIVE THINKING
  1. The number of turns in the coil of an A.C. generator is 100 and its cr...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  10. For series LCR circuit, the wrong statement is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  13. In a circuit L, C and R are connected in series with an alternating vo...

    Text Solution

    |

  14. Two coils A and B have mutual inductance 2xx10^(-2) Henry if the cur...

    Text Solution

    |

  15. Reactance of a capacitor of capacitance CmuF for ac frequency 400/pi H...

    Text Solution

    |

  16. In an AC circuit the reactance of a coil is sqrt(3) times its resistan...

    Text Solution

    |

  17. An AC voltage is applied to a resistance R and an inductance L in seri...

    Text Solution

    |

  18. A capacitance of ((10^(-3))/(2pi))F and an inductance of [(100)/(pi)]m...

    Text Solution

    |

  19. An are lamp requires a direct current of 10A at 80V to function. If it...

    Text Solution

    |

  20. In a series L.C.R. circuit, the potential drop across L, C and R respe...

    Text Solution

    |