Home
Class 12
PHYSICS
The rms value of current I ( rm...

The rms value of current ` I _ ( rms )` is

A

`l_(0)/(2pi)`

B

`(l_(0))/(sqrt(2))`

C

`(2l_(0))/(pi)`

D

`sqrt(2)l_(0)`

Text Solution

Verified by Experts

The correct Answer is:
B

The `I_(rms)` value of current, `I_(rms)=(I_(0))/(sqrt(2))`
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Example 30|1 Videos
  • ELASTICITY

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET CORNER|16 Videos
  • ELECTRONS AND PROTONS

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET CORNER|19 Videos

Similar Questions

Explore conceptually related problems

In an AC circuit, the mass value of the current I_("rms") is related to the peak current I_(0) as

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

The rms value of the signal is

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

a) The peak voltage of an AC supply is 300 V. What is the rms voltage? b) The rms value of current in an AC circuit is 10A. What is the peak current?

(a) The peak voltag3e of an a.c. supply is 300 V. What is its r.m.s voltages? (b) The r.m.s value of current in an ac circuit is 10 A. What is the peak current ?

The rms value of an alternating current

RMS value of AC current is . . . . A . . . . Times its peak value. Here, A refers to

Find the rms value of current from t = 0 to t=(2pi)/omega if the current varies as i=I_(m)sin omegat .

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ELECTROMAGNETIC INDUCTION-MHT CET CONER
  1. In LCR series circuit , an alternating emf e and current i are given b...

    Text Solution

    |

  2. AC measuring instruments measures

    Text Solution

    |

  3. The rms value of current I ( rms ) is

    Text Solution

    |

  4. If the inductance and capacitance are both doubled in L-C-R circ...

    Text Solution

    |

  5. Two coils of self-inductance L(1) and L(2) are placed closed to each o...

    Text Solution

    |

  6. What will be the self inductance of a coid of 100 turns if a current o...

    Text Solution

    |

  7. In L-C-R circuit power factor at resonance is

    Text Solution

    |

  8. In a LR circuit of 3 mH dinductance and 4 Omega resistance, emf E=4cos...

    Text Solution

    |

  9. Average power in the L-C-R circuit depends upon

    Text Solution

    |

  10. When a current of 2 A is passed through a coil of 100 turns , flux ass...

    Text Solution

    |

  11. When a rod of length l is rotated with angular velocity of omega in a ...

    Text Solution

    |

  12. Same current is flowing in two alternating circuits. The first circuit...

    Text Solution

    |

  13. In an AC circuit, the instantaneous values of e.m.f and current are e...

    Text Solution

    |

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

    Text Solution

    |

  15. What is the value of inductance L for which the current is a maximum i...

    Text Solution

    |

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

    Text Solution

    |

  17. In any AC circuit the emf (e) and the current (i) at any instant are g...

    Text Solution

    |

  18. If coil is opened, then L and R become

    Text Solution

    |

  19. In a circuit, the current lags behind the voltage by a phase differenc...

    Text Solution

    |

  20. A step down transformer converts transmission line voltage from 2200 V...

    Text Solution

    |