Home
Class 12
PHYSICS
The peak value of Alternating current is...

The peak value of Alternating current is `6`amp, then r.m.s. value of current will be

A

`3A`

B

`3sqrt(3)A`

C

`3sqrt(2)A`

D

`2sqrt(3)A`

Text Solution

Verified by Experts

The correct Answer is:
C

`i_(rms)=6/(sqrt(2))=3sqrt(2)A`
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    A2Z|Exercise Connected With Ac|42 Videos
  • ALTERNATING CURRENT

    A2Z|Exercise Different Ac Circuits|30 Videos
  • ATOMIC PHYSICS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

The rms value of an alternating current

The r.m.s. value of an alternating current is

The peak value of an alternating current is 10. A. Find its rms value

The peak vlaue of alternating current is 5sqrt(2) . The mean square value fo current will be

The r.m.s value of alternating e.m.f. is

If E_(0) represents the peak value of the voltage in an ac circuit, the r.m.s. value of the voltage will be

Define instantaneous and r.m.s. values of alternating current . Find formula for instantaneous value of current for R-L circuit

.What is meant by root mean square value of alternating current? Derive an expression of r .m.s value of A.C

If i= t^(2), 0 lt t lt T then r.m.s. value of current is

A2Z-ALTERNATING CURRENT-Section D - Chapter End Test
  1. The peak value of Alternating current is 6amp, then r.m.s. value of cu...

    Text Solution

    |

  2. A 280 ohm electric bulb is connected to 200V electric line. The peak v...

    Text Solution

    |

  3. An AC source is rated at 220V, 50 Hz. The time taken for voltage to ch...

    Text Solution

    |

  4. If the value of potential in an ac, circuit is 10 V, then the peak val...

    Text Solution

    |

  5. The maximum value of AC voltage in a circuit is 70V. Its r.m.s. value ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  8. The power factor of an AC circuit having resistance (R) and inductance...

    Text Solution

    |

  9. An inductor of inductance L and ressistor of resistance R are joined i...

    Text Solution

    |

  10. Alternating current can not be measured by D.C. Ammeter because

    Text Solution

    |

  11. In a LCR circuit capacitance is changed from C to 2C. For the resonant...

    Text Solution

    |

  12. In an LCR series a.c. Circuit the voltage across each of hte component...

    Text Solution

    |

  13. For the circuit shown in the figure, the current through the inductor ...

    Text Solution

    |

  14. In a series LCR circuit, the voltage across the resistance, capacitanc...

    Text Solution

    |

  15. An ideal choke takes a current of 10 A when connected to an ac supply ...

    Text Solution

    |

  16. A direct current of 5 amp is superimposed on an alternating current I=...

    Text Solution

    |

  17. A group of electric lamps having a total power rating of 1000 watt is ...

    Text Solution

    |

  18. In a LCR circuit having L=8.0 Henry, C=0.5 mu F and R=100 ohm in serie...

    Text Solution

    |

  19. An alternating current source of frequency 100 Hz is joined to a combi...

    Text Solution

    |

  20. A 10 ohm resistance, 5 mH coil and 10mu F capacitor are joined in seri...

    Text Solution

    |

  21. A resistor R, an inductor L and a capacitor C are connected in series ...

    Text Solution

    |