Home
Class 12
PHYSICS
The heat produced in a given resistor in...

The heat produced in a given resistor in a given time by the sinusoidal current `I_(0)` sin `omegat` will be the same as that by a steady current of magnitude .

A

`0.71 I_(0)`

B

`1.412 I_(0)`

C

`I_(0)`

D

`sqrt(I_(0))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    DISHA PUBLICATION|Exercise Exercise - 1 : CONCEPT BUILDER (Topic 2: A.C Circuits and Power Factor)|31 Videos

  • ALTERNATING CURRENT

    DISHA PUBLICATION|Exercise Exercise - 1 : CONCEPT BUILDER (Topic 3 : Transformers and LC Oscillations)|19 Videos

  • ALTERNATING CURRENT

    DISHA PUBLICATION|Exercise Exercise -2 : Concept Applicator|30 Videos

  • ATOMS

    DISHA PUBLICATION|Exercise EXERCISE-2: CONCEPT APPLICATOR|30 Videos

Similar Questions

Explore conceptually related problems

The heat produced in a wire of resistance 'x' when a current 'y' flows through it in time 'z' is given by:

The total heat produced in resistor r in an RL circuit when the current in the inductor decreases from I_(o) to 0 is

The average value of alternating current I=I_(0) sin omegat in time interval [0, pi/omega] is

The heat produced (in calories) in a resistance R when a current I amperes flows through it for t seconds is given by the expression

The current I through 10Omega resistor in the circuit given below is

The power dissipated in alternating circuit with voltage e=e_(0) sin omegat and current I=I_(0)sin(omegat-phi) is

In the given circuit diagram , current in 2Omega resistor is 2 A , then the current in 6Omega resistor Will be

An alternating current is given by (sqrt(3) sin omegat + cos omegat) . The rms current is :

DISHA PUBLICATION-ALTERNATING CURRENT -Exercise - 1 : CONCEPT BUILDER (TOPIC 1: Alternating Current, Voltage and Power)
  1. Alternating current can not be measured by D.C. Ammeter because

    Text Solution

    |

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

    Text Solution

    |

  3. The voltage time (V-t) graph for triangular wave having peak value V(0...

    Text Solution

    |

  4. The heat produced in a given resistor in a given time by the sinusoida...

    Text Solution

    |

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

    Text Solution

    |

  6. Current time graph of different source is given which one will have R....

    Text Solution

    |

  7. Average voltage for the given source is :

    Text Solution

    |

  8. The current I passed in any instruement in alternating current circuit...

    Text Solution

    |

  9. The voltage of an AC supply varies with time (t) as V = 120 sin 100 pi...

    Text Solution

    |

  10. An alternating e.m.f. of angular frequency omega is applied across an ...

    Text Solution

    |

  11. Using an AC voltmeter, the potential difference in the electrical line...

    Text Solution

    |

  12. An alternating current is given by I = i1 cos omegat + i2 sin omegat...

    Text Solution

    |

  13. Determine the rms value of a semi-circular current wave which has a ma...

    Text Solution

    |

  14. The rms value of the function shown in figure if it its given that for...

    Text Solution

    |

  15. Figure shows one cycle of an alternating current with the segments AB,...

    Text Solution

    |

  16. A resistance of 20 ohm is connected to a source of an alternating pote...

    Text Solution

    |

  17. The rms value of the emf given by E = 8 sin omegat + 6 sin 2omegat .

    Text Solution

    |

  18. An AC voltage source has an output of V = 200 sin 2 pi ft. This source...

    Text Solution

    |

  19. The r.m.s value of an a.c of 59 Hz is 10 A. The time taken by the alte...

    Text Solution

    |

  20. Using an AC voltmeter, the potential difference in the electrical line...

    Text Solution

    |