Home
Class 12
PHYSICS
The alternaing current of equivalent val...

The alternaing current of equivalent value of `I_(0)//sqrt(2)` is

A

peak current

B

rms current

C

D.C. current

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    NIKITA PUBLICATION|Exercise MCQ|314 Videos

  • ELECTRONS AND PHOTONS

    NIKITA PUBLICATION|Exercise MCQs|162 Videos

Similar Questions

Explore conceptually related problems

1 ampere current is equivalent to

The average value of alternating current for half cycle in terms of I_(0) is

The value of (1+i sqrt(3))^2 =

The alternating current is given by i={sqrt(42)sin((2pi)/(T)t)+10}A The r.m.s value of this current is ___________A.

In common - emitter configuration of a transistor, the base current I_(E)=2muA, alpha=0.9 then the value of I_(C) is

An alternating current from a source is represented by I= I_(0) sin 314 t. What is the effective value of current ?

The equation of an alternating current is I = 50 sqrt(2) sin 400 pi t A , then the frequency and the root mean square value of current are respectively.

Equation of alternating current is given by l = 10sqrt2sin(100pil+pi/6) . The time taken by current to reach the root mean square value from t = 0 is t then value of t is

Alternating current in circuit is given by I = I_(0) sin 2 pi nt . Then the time by the current to rise from zero to r.m.s value is equal to

Alternating current in circuit is given by I=I_(0)sin2 pi nt .Then the time taken by the current to rise from zero to r.m.s value is equal to (1)/(nx) then x=

NIKITA PUBLICATION-ELECTROMAGNETIC INDUCTION-MCQs
  1. An emf induced in a coil rotating in a uniform magnetic field is given...

    Text Solution

    |

  2. The maximum value of emf indued in a coil rotating in a uniform magnet...

    Text Solution

    |

  3. The alternaing current of equivalent value of I(0)//sqrt(2) is

    Text Solution

    |

  4. The peak value of the a.c. current flowing throw a resistor is given b...

    Text Solution

    |

  5. Alternating current can be measured with the help of

    Text Solution

    |

  6. D.C. ammeter is connected in a circuit through which an a.c. emf of 50...

    Text Solution

    |

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

    Text Solution

    |

  8. The maximum value of A.C. emf in a complete cycle is

    Text Solution

    |

  9. A voltmeter reads V volts in an A.C. circuit then V is

    Text Solution

    |

  10. AC measuring instruments measures

    Text Solution

    |

  11. In an AC circuit, the mass value of the current I("rms") is related to...

    Text Solution

    |

  12. If an AC ammeter reads I A in an AC circuit, then the peak value of th...

    Text Solution

    |

  13. The average value of alternating current over a complete cycle ...

    Text Solution

    |

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

    Text Solution

    |

  15. Name the device which converts mechanical energy into electrical energ...

    Text Solution

    |

  16. In a simple circuit with resistance, phase between AC emf and AC curre...

    Text Solution

    |

  17. The working of dynamo is based on principle of

    Text Solution

    |

  18. A coil of cross-sectional area A having n turns is placed in uniform m...

    Text Solution

    |

  19. If the instantaneous current in a circuit is given by I=2 cos (omegat+...

    Text Solution

    |

  20. The frequency of ac mains in India is

    Text Solution

    |