Home
Class 12
PHYSICS
The peak value of alternating e.m.f. in ...

The peak value of alternating e.m.f. in a generator is given by `e_(0) =`

A

NAB

B

`NAB omega`

C

NAB v

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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

The r.m.s value of alternating e.m.f. is

.The peak value of an alternating e.m.f. which is given by E=E_(0) coswt is 10 volts and its frequency is 50Hz .At time t=(1)/(600) s,the instantaneous e.m.f.is

The value of alternating emf E in the given circuit will be

The peak value of an alternating e.m.f. is 141.4 V. What would be the reading of an a.c. voltmeter when connected across this e.m.f. ?

The peak value of an alternating emf E given by E=(E_0) cos omega t is 10V and freqency is 50 Hz. At time t=(1//600)s the instantaneous value of emf is

Statement-1 : In 220 V , 50 hz a.c. wall plug. Peak value of alternating e.m.f. is 220 V . Statement-2 : Only rms value is specified.

The value of alternating e.m.f. is e = 500 sin 100pit , then the frequency of this potential in Hz is –

Assertion The average value of alternating emf is 63.39% of the peak value . Reason The rms value of alternating emf is70.72% of peak value

The temperature coefficient of e.m.f of a cell can be given by :

In the given figure, the instantaneous value of alternating e.m.f. is e = 14.14 sin omega t . The reading of voltmeter in volt will be

PRADEEP-ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT-Exercise
  1. A choke of 0.5 H, a capacitor of 15 mu F and resistance of 100 ohm are...

    Text Solution

    |

  2. Calculate the value of inductance, which should be connected in series...

    Text Solution

    |

  3. The peak value of alternating e.m.f. in a generator is given by e(0) =

    Text Solution

    |

  4. The frequency of a.c. generated depend on

    Text Solution

    |

  5. The from factor of an a.c. generator is given by

    Text Solution

    |

  6. State Fleming's left-hand rule.

    Text Solution

    |

  7. What is the role of the split-ring in an electric motor?

    Text Solution

    |

  8. The efficiency of d.c. motor is given by eta =

    Text Solution

    |

  9. A transformer is an electrical device used for

    Text Solution

    |

  10. The relation (E(s))/(E(P)) = (n(s))/(n(P)) is applicable only be

    Text Solution

    |

  11. A battery of 12 V is connected to primary of a transformer with turns ...

    Text Solution

    |

  12. Out of the following , choose the wrong statement :

    Text Solution

    |

  13. An a.c. generator is a machine that produces…………….from………………

    Text Solution

    |

  14. An a.c generator is based on the phenomenon of……………………………

    Text Solution

    |

  15. In hydroelectric power station,………………of falling water is converted int...

    Text Solution

    |

  16. A d.c. generator produces…………………from…………………

    Text Solution

    |

  17. In d.c. generator,…………………….generator of a.c. generator is replaced by…...

    Text Solution

    |

  18. A d.c. motor converts ………………………into ……………………….

    Text Solution

    |

  19. When a coil carrying current s …………………..it expericences ………………………….whi...

    Text Solution

    |

  20. In a.c. generator, we use……………………… to determine the direction of………………...

    Text Solution

    |