Home
Class 12
PHYSICS
The alternating current from a source is...

The alternating current from a source is represented by `I = 0.5 sin 314 t`. The frequecy of a.c. is

A

314 Hz

B

100 Hz

C

50 Hz

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    PRADEEP|Exercise JEE Mains Ad..(Multiple Choice Question)|1 Videos

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    PRADEEP|Exercise Multiple Choice Questions|1 Videos

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    PRADEEP|Exercise Value Based Questions|2 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    PRADEEP|Exercise Exercise|191 Videos

  • ELECTROMAGNETIC WAVES

    PRADEEP|Exercise II Focus multiple choice question|5 Videos

Similar Questions

Explore conceptually related problems

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

The alternating current in a circuit is given by I = 50sin314t . The peak value and frequency of the current are

An alternating current from a source is given by i=10sin314t. What is the effective value of current and frequency of source?

The instantaneous current from an a.c source is I = 5 sin 100 pi t What is the frequency of a.c. ? What is the rms value of current ?

The instantananeous current from an a.c. is I = 10 sin 314 t . What is the frequency of the source and virtual value of current ?

A certain A.C. voltage is represented by e=100 sin (100pi t+0.6) . The peak value of A.C. is

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

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 ?

PRADEEP-ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT-Exercise
  1. The resistance of a coil for direct current is 10 ohm. When a.c. is se...

    Text Solution

    |

  2. The average value of a.c. voltge E =E(0) sin omega t over the time int...

    Text Solution

    |

  3. The alternating current from a source is represented by I = 0.5 sin 31...

    Text Solution

    |

  4. Q factor of resonance is given by

    Text Solution

    |

  5. The power factor of an a.c. circuit is givne by cos phi =

    Text Solution

    |

  6. The…………… of alternating current varies …………………….. With time and its………...

    Text Solution

    |

  7. Ordinary d.c. ammerter and d.c. votmeter, when used in ………………….record…...

    Text Solution

    |

  8. The r.m.s. value or………………………value or ………………….value of a.c. is ……………………...

    Text Solution

    |

  9. 220 V a.c. means…………………… and an a.c. of 1 A means…………………….

    Text Solution

    |

  10. In an a.c. circuit containing R only…………………and…………………are in ………………..ph...

    Text Solution

    |

  11. In an a.c. circuit containing L only, alternating current………………….alter...

    Text Solution

    |

  12. The dimensions of inductvie………………………and ……………….are the same as those o...

    Text Solution

    |

  13. A consdenser ………………….a.c. to pass through but…………………….d.c.

    Text Solution

    |

  14. Ohmic resistance R can reduce ………………..but indcutor L can reduce………………....

    Text Solution

    |

  15. A series resonance circuit is called an ……………..and a……………………is called ...

    Text Solution

    |

  16. A capacitor is 5 mu F is conneted to 20 V supply through a resistance ...

    Text Solution

    |

  17. A coil of resistance 20Omega and inductance 0.5H is switched to DC200V...

    Text Solution

    |

  18. An inductor (L = 20 mH), a resistor (R = 100 Omega) and a battery(vare...

    Text Solution

    |

  19. A capacitor charged to 10 V is being discharged through a resistance R...

    Text Solution

    |

  20. If a circuit having a resistor of 2 xx 10^(6) Omega in series with a c...

    Text Solution

    |