Home
Class 12
PHYSICS
The rms value of current in a 50Hz AC ci...

The rms value of current in a `50Hz` AC circuit is `6A`. The average value of AC current over a cycle a

A

`6sqrt(2)`

B

`(3)/(pisqrt(2))`

C

zero

D

`(6)/(pisqrt(2))`

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

If the peak value of a current in 50Hz AC. Cirucit is 7.07 A. What is the mean value of current over half a cycle and the value of current 1//300 s after it was zero?

The rms value of current in an ac circuit is 25 A, then peak current is

The rms value of current in a 50 Hz AC source is 4 A. What will be the value of current after 1/400 seconds after its value becomes zero?

The rms value of current in a 50 Hz AC source is 4 A. What will be the value of current after 1/400 seconds after its value becomes zero ?

What is the average value of a.c. over a full cycle ?

The average value of alternating current over a complete cycle is

If the rms current in a 50Hz a.c circuit is 5A ,the value of the current 1/300 seconds after its value becomes zero is

If the rms current in a 50 Hz ac circuit is 5 A, the value of the current 1//300 second after its value becomes zero is

If the effective value of current in 50 Hz a.c. circuit is 5.0 A, What is (i) peak value or current (ii) mean value of current over half a cycle (iii) value of current 1//300 s after it was zero ?

TARGET PUBLICATION-ELECTROMAGNETIC INDUCTION-COMPETITIVE THINKING
  1. Alternating current can not be measured by D.C. Ammeter because

    Text Solution

    |

  2. If E(0) represents the peak value of the voltage in an ac circuit, the...

    Text Solution

    |

  3. The rms value of current in a 50Hz AC circuit is 6A. The average value...

    Text Solution

    |

  4. An alternating voltage E=200sqrt(2) sin (100 t)V is connected to a 1 m...

    Text Solution

    |

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

    Text Solution

    |

  6. The frequency of ac mains in India is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |