Home
Class 12
PHYSICS
The equation of an a.c. current I = 50 s...

The equation of an a.c. current I = 50 sin `100 pi t`.Find the current `1/300 sec ` after being zero.

Promotional Banner

Topper's Solved these Questions

  • MODEL PAPER SET-02

    UNITED BOOK HOUSE|Exercise EXERCISE|55 Videos

  • MODEL PAPER SET-04

    UNITED BOOK HOUSE|Exercise EXERCISE|39 Videos

Similar Questions

Explore conceptually related problems

The equation of an a.c. current I = 50 sin 100 pi t .Find Frequency.

The equation of an a.c. current I = 50 sin 100 pi t .Find effective value of current.

The equation of an a.c. current I = 50 sin 100 pit .Find the average value of current in positive half cycle.

The e.m.f of and a.c. current E=158sin 200pit V . What is the voltage at time t=1/400 sec?

The r.m.s. value of current i = (4 + 10 sin 100 pit) A is—

The equation for ac current is i=I_1 sin wt+I_2cos wt . What is the value of rms current?

The rms value and frequency of an ac current are 5A and 50 Hz respectively. The value of the current after 1/300s from the time when its value becomes zero is

Expression of an alternating current is I=0.5sin100pitA . Determine the frequency , peak value and rms value of the current.

An a.c. current I= i_1 sin omegat + i_2 sin omegat . The r.m.s. value of the current will be—

UNITED BOOK HOUSE-MODEL PAPER SET-03-EXERCISE
  1. Explain why sky waves ate suitable for long range communication.

    Text Solution

    |

  2. What is surface charge density?

    Text Solution

    |

  3. Two particles each carrying a charge of 2 xx 10^-8 C and connected by ...

    Text Solution

    |

  4. The surface charge density of an infinite charged sheet is 10^-7 Cm^-2...

    Text Solution

    |

  5. Show that the distribution of charge between two conductors connecting...

    Text Solution

    |

  6. The current through the wire is 10 A as shown in figure below. Find ma...

    Text Solution

    |

  7. A circular coil of radius 0.01 m has 100 turns and a current 7A. It is...

    Text Solution

    |

  8. A circular coil of radius 0.01 m has 100 turns and a current 7A. It is...

    Text Solution

    |

  9. An air bubble in a glass sphere (mu = 1.5) of radius 2 cm is 1 cm deep...

    Text Solution

    |

  10. What is the significance of Plank's constant in quantum theory? The st...

    Text Solution

    |

  11. Write two characteristics features of nuclear force which distinguish ...

    Text Solution

    |

  12. What are p-type and n-type semiconductor? What is the resistance of a ...

    Text Solution

    |

  13. How NOR gate is formed? What is its symbol? Construct a truth table fo...

    Text Solution

    |

  14. In potentiometer method'a cell can be balanced at 480cm. It is balance...

    Text Solution

    |

  15. A conducting wire of length l is rotating with angular velocity w in a...

    Text Solution

    |

  16. An aeroplane is travelling at the speed of 360 km//hr along the horiz...

    Text Solution

    |

  17. The equation of an a.c. current I = 50 sin 100 pi t.Find Frequency.

    Text Solution

    |

  18. The equation of an a.c. current I = 50 sin 100 pi t.Find effective val...

    Text Solution

    |

  19. The equation of an a.c. current I = 50 sin 100 pi t.Find the current ...

    Text Solution

    |

  20. The equation of an a.c. current I = 50 sin 100 pit.Find the average va...

    Text Solution

    |