Home
Class 12
PHYSICS
If the instantaneous value of current is...

If the instantaneous value of current is I = 10 sin 314t ampere, then the average value of `'I^(2)'` will be :-

A

100

B

70.7

C

`50.0`

D

`25.0`

Text Solution

Verified by Experts

The correct Answer is:
C

`I=10 sin 314 t `
` lt I^(2) gt = lt 10^(2) sin^(2) 314 t gt `
` = 100 lt sin^(2) 314 t gt `
`=(100)/(2)=50`
Promotional Banner

Topper's Solved these Questions

  • MAJOR TEST 4

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|45 Videos
  • MAJOR TEST 6

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|44 Videos

Similar Questions

Explore conceptually related problems

If instantaneous value of current is I = 10 sin (314 t) A, then the average current for the half cycle will be –

The instantaneous current from an a.c. source is I = 6 sin 314 t . What is the r.m.s value of the current ?

If instantaneous current is given by i=4 cos(omega t + varphi) amperes, then the r.m.s. value of current is

The instantaneous value of an AC is given by I = 5 sin ( omega t + ph ) amp. The rms value of current is

The instantaneous current from an AC source is I = 6 sin (314 t ) ampere. What are the half cycle average and rms values of the current ?

Distinguish between the term's average value and rms value of an alternating current.The instanteous current from an a.c. source is l-5 sin (341t) ampere.What are the average and rms values of the current?

The instantaneous value of an alternating current is given by i=50 sin(100 pit) . It will achieve a value of 25 A after a time interval of

In an AC circuit, the instantaneous values of e.m.f and current are e=200sin314t volt and i=sin(314t+(pi)/3) ampere. The average power consumed in watt is

NEET MAJOR TEST (COACHING)-MAJOR TEST 5-PHYSICS
  1. A proton and and alpha - particle are accelerated through a potential ...

    Text Solution

    |

  2. What is the potential difference across 2μF capacitor in the circuit s...

    Text Solution

    |

  3. The refractive index of a medium is sqrt(3). What is the angle of refr...

    Text Solution

    |

  4. Given below are four logic gates symbol (figure). Those for OR, NOR an...

    Text Solution

    |

  5. If the de - Broglie wavelengths for a proton and for a alpha - particl...

    Text Solution

    |

  6. A zener diode, having breakdown voltage equal to 15 V is used in a vol...

    Text Solution

    |

  7. What is the magnitude of magnetic force per unit length on a wire carr...

    Text Solution

    |

  8. If the instantaneous value of current is I = 10 sin 314t ampere, then ...

    Text Solution

    |

  9. Three metallic spheres A, B and C having radii are in ratio 1 : 2 : 3....

    Text Solution

    |

  10. The perio of oscillation of a magnet in vibration magnetometer is 2 se...

    Text Solution

    |

  11. The momentum of a photon is 3.3xx10^(-29)kg-m/s. Its frequency will b...

    Text Solution

    |

  12. The intensity of light pulse travelling in an optical fiber decreases ...

    Text Solution

    |

  13. 20% radioactive sample decay in time t. How much sample decay in time...

    Text Solution

    |

  14. Some magnetic flux is changed from a coil resistance 10Omega. As a res...

    Text Solution

    |

  15. Force between two identical spheres charged with same charge is F. If ...

    Text Solution

    |

  16. If the charge on a capacitorn is increased by 2C, then the energy stor...

    Text Solution

    |

  17. If f(1)=f(2)​ and f(3) ​ are the frequencies of corresponding K(alpha)...

    Text Solution

    |

  18. Select the outputs Y of the combination of gates shown below for input...

    Text Solution

    |

  19. Point P lies on the axis of a dipole . If the dipole is rotated by 90...

    Text Solution

    |

  20. The phase difference between the flux linkage and the induced e.m.f. i...

    Text Solution

    |