Home
Class 12
PHYSICS
A sinusoidal waveform is given by i=20...

A sinusoidal waveform is given by
`i=20 sin(6284 t+ 20^(@))A`. What is its period?

A

1 second

B

1 nanosecond

C

1 microsecond

D

1 milisecond

Text Solution

Verified by Experts

The correct Answer is:
D
`omega t = (2 pi t)/(T) = 6284 t`
` T = (2 xx 3.142)/(6284) = 1/1000 = 10^(-3) s`.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP - 16|30 Videos

  • ELASTICITY

    MARVEL PUBLICATION|Exercise Test Your Grasp - 5|15 Videos

  • ELECTRONS AND PHOTONS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP - 17|15 Videos

Similar Questions

Explore conceptually related problems

A sinusoidal wave is given by y=A sin (kx- omegat ). The ratio of its maximum particle velocity to wave velocity is

A plane prohressive wave is given by y=2 cos 6.284 (330t-X) . What is period of the wave?

An audio signal given by e_1 = 12 sin 2pi (2000 t) amplitude modulates a sinusoidal carrier wave e^2 = 50 sin 2pi ( 100, I00t). What is the upper side band frequency?

Two sinusoidal current are given by i_(1)=20 sin (omega t +(pi)/6) and i_(2)=10 sin(omega t-(pi)/4) The pahase difference between them is

The equation of a progressive wave is given by, y = 3 sin pi ((t)/(0.02) - (x)/(20)) m . Then the frequency of the wave is

MARVEL PUBLICATION-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS -TEST YOUR GRASP - 16
  1. A sinusoidal waveform is given by i=20 sin(6284 t+ 20^(@))A. What is...

    Text Solution

    |

  2. A coil having an area of 2m^(2) is placed in a magnetic field which ch...

    Text Solution

    |

  3. A straight conductor of length 2 is moves a velocity of 2 m//s, in a m...

    Text Solution

    |

  4. The magnetic flux passing perpendicular to the plane of a coil given b...

    Text Solution

    |

  5. Two identical circular loops of metal wire are lying on a table withou...

    Text Solution

    |

  6. A telegraph wire of length 2500m, is kept in E-W direction, at a heigh...

    Text Solution

    |

  7. When the current in a coil changes from 2A to 4A in 0.05 sec, the e.m....

    Text Solution

    |

  8. Two coil A and B are placed in a circuit. When current changes by 8 Am...

    Text Solution

    |

  9. Two coils P and S have a mutual inductance of 5 xx 10^(-3)H. If the cu...

    Text Solution

    |

  10. The primary and secondary voltage of an ideal step down transformer ar...

    Text Solution

    |

  11. A step down transformer has a turn ratio of 20 : 1. If 8 volt are deve...

    Text Solution

    |

  12. A step down transformer of efficiency 80% is used on a 1000V line to d...

    Text Solution

    |

  13. A coil 10 turns and area 10^(-2)m^(2) rotates in a magnetic field of 0...

    Text Solution

    |

  14. An alternating e.m.f. is given by E=10 cos omega t. If the frequency i...

    Text Solution

    |

  15. In an A.C. Circuit, the current is given by I=6 sin(200 pi t+(pi)/6)...

    Text Solution

    |

  16. An alternating e.m.f. given by e=200 sin 50 t is applied to a circuit ...

    Text Solution

    |

  17. An alternating voltage is represented by V=80 sin(100 pi t)cos(100 p...

    Text Solution

    |

  18. In an A.C. circuit, E=100 sin (500 t) volt and I=1000 sin(500 t +(pi)/...

    Text Solution

    |

  19. In an A.C. circuit, a resistance R=40 Omega and an inductance L are c...

    Text Solution

    |

  20. The inductance of a coil is 10 H. What is the ratio of its reactance w...

    Text Solution

    |

  21. For tuning radio and T.V. circuits, series resonance circuits are used...

    Text Solution

    |