Home
Class 12
PHYSICS
r.m.s. value of current i=3+4 sin (omega...

r.m.s. value of current `i=3+4 sin (omega t+pi//3)` is:

A

5A

B

`sqrt17A`

C

`(5)/(sqrt2) A`

D

`(7)/(sqrt2) A`

Text Solution

Verified by Experts

`[( int_(0) ^(t) t ^(2) dt )/( T )] ^((1)/(2))`
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    PHYSICS WALLAH|Exercise NEET PAST 5 YEARS QUESTIONS |8 Videos

  • ALTERNATING CURRENT

    PHYSICS WALLAH|Exercise NEET PAST 5 YEARS QUESTIONS |8 Videos

  • CURRENT ELECTRICITY

    PHYSICS WALLAH|Exercise NEET Past 5 Years Questions|23 Videos

Similar Questions

Explore conceptually related problems

Find the rms value of current i=I_(m)sin omegat from (i) t=0 "to" t=(pi)/(omega) (ii) t=(pi)/(2omega) "to" t=(3pi)/(2omega)

The average value of current i=I_(m) sin omega t from t=(pi)/(2 omega ) to t=(3 pi)/(2 omega) si how many times of (I_m) ?

The r.m.s. value of I = I_(1) sin omega t + I_(2) cos omega t is

The r.m.s. value of I = I_(1) sin omega t + I_(2) cos omega t is

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

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

The root mean square r.m.s.value of alternating current I=60sin100 pi t is

The root mean square (r.m.s .) value of alternating current I=60sin100 pi(t) is

PHYSICS WALLAH-ALTERNATING CURRENT -LEVEL - 2
  1. r.m.s. value of current i=3+4 sin (omega t+pi//3) is:

    Text Solution

    |

  2. An alternating voltage is given by: e = e(1) sin omega t + e(2) cos om...

    Text Solution

    |

  3. An AC voltage is given by E=E(0) sin(2pit)/(T). Then the mean value of...

    Text Solution

    |

  4. An AC voltage of V=220sqrt2 sin (100pit+(pi)/(2))V is applied across a...

    Text Solution

    |

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

    Text Solution

    |

  6. The potential difference V across and the current I flowing through an...

    Text Solution

    |

  7. A direct current of 2 A and an alternating current having a maximum va...

    Text Solution

    |

  8. A sinusoidal ac current flows through a resistor of resistance R . If ...

    Text Solution

    |

  9. A conductor of capacity 1pF is connected to an A.C source of 220 V and...

    Text Solution

    |

  10. The self-inductance of a choke coil is 10mH. When it is connected with...

    Text Solution

    |

  11. A coil of inductance 5.0 mH and negligible resistance is connected to ...

    Text Solution

    |

  12. A 100 volt AC source of angular frequency 500 rad/s is connected to a ...

    Text Solution

    |

  13. A condenser of 10muF and an inductor of 1.2H are connected in series w...

    Text Solution

    |

  14. In an ac circuit the potential differences across an inductance and re...

    Text Solution

    |

  15. A coll has an inductance of (2.2)/(pi)H and is joined m series with a ...

    Text Solution

    |

  16. A resistor and a capacitor are connected to an ac supply of 200 V, 50 ...

    Text Solution

    |

  17. The impedance of a series circuit consists of 3 ohm resistance and 4 o...

    Text Solution

    |

  18. An electric bulb and a capacitor are connected in series with an AC so...

    Text Solution

    |

  19. In an LCR series circuit the rms voltages across R L and C are found...

    Text Solution

    |

  20. In an LCR circuit, the capacitance is made one-fourth, when in resonan...

    Text Solution

    |