Home
Class 11
PHYSICS
The voltage of an ac source varies with ...

The voltage of an ac source varies with time according to the equation `V = 100 sin 100 pit cos 100 pit` where t is in seconds and V is in volt. Then

A

the peak voltage of the source is 100 volt

B

the peak voltage of the source is 50 volt

C

the peak voltage of the source is `100//sqrt(2)` volt

D

the frequency of the source is 50 Hz

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The voltage of an ac source varies with time according to the equation V=100sin100 pi tcos100 pi t where t is in seconds and V is in volts.Then

The voltage of an AC source varies with time according to the equation, V=100 sin 100 pi I cos 100 pi t .Where t is in second and V is in volt.Then:

The voltage of an AC source varies with time according to the equation V=100sin 100pitcos100pit where t is in seconds and V is in volts. Then

The voltage of an A.C source varies with time according to the equation V = 50 sin 100 pi t cos 100 pi t . Where 't' is in and 'V' is in volt. Then

The voltage of an a.c. source varies with time according to relation E=120 sin 100pitcos100 pi t then

The voltage of A.C source varies with tiem according equation. V = 120 sin 100 pi t cos 100 pi t .Then the frequency of source is

The voltage of an AC source varies with time according to the relation: E = 120 sin 100 pi t cos 100 pi t V . What is the peak voltage of the source?

The voltage of an AC supply varies with time (t) as V = 120 sin 100 pi t cos 100 pi t . The maximum voltage and frequency respectively are

The voltage of an AC supply varies with time (t) as V = 120 sin 100 pi t cos 100 pi t . The maximum voltage and frequency respectively are

An alternating voltage (in volts) varies with time t (in seconds) as V=200 sin(100pit)

DISHA-ALTERNATING CURRENT-PHYSICS
  1. A transformer has an efficiency of 80%. It works at 4 kW and 100 V. If...

    Text Solution

    |

  2. A 12 ohm resistor and a 0.21 henry inductor are connected in series to...

    Text Solution

    |

  3. In LCR series circuit fed by a DC source, how does the amplitude of ch...

    Text Solution

    |

  4. The primary and secondary coils of a transmformer have 50 and 1500 tur...

    Text Solution

    |

  5. The primary winding of a transformer has 100 turns and its secondary w...

    Text Solution

    |

  6. The resistance in the following circuit is increase at a particle inst...

    Text Solution

    |

  7. The current in a LR circuit builds up to 3/4th of its steady state val...

    Text Solution

    |

  8. An LCR circuit is connected to a source of alternating current. At res...

    Text Solution

    |

  9. What is the value of inductance L for which the current is a maximum i...

    Text Solution

    |

  10. In the circuit of Fig, the bulb will become suddenly bright if

    Text Solution

    |

  11. The voltage of an ac source varies with time according to the equation...

    Text Solution

    |

  12. The current (I) in the inductance is varying with time according to th...

    Text Solution

    |

  13. Using an ac voltmeter, the potential difference in the electrical line...

    Text Solution

    |

  14. In the circuit shown in fig. when the switch is closed, the capacitor ...

    Text Solution

    |

  15. A 100 mF capacitor in series with a 40Omega resistance is connected to...

    Text Solution

    |

  16. The core of any transformaer is laminated so as to

    Text Solution

    |

  17. An AC generator of 220 V having internal resistance r=10 Omega and ext...

    Text Solution

    |

  18. What is increase in step-down transformer?

    Text Solution

    |

  19. In the circuit shown below, the key K is closed at t =0. The current t...

    Text Solution

    |

  20. The inductance between A and D is

    Text Solution

    |