Home
Class 12
PHYSICS
A microphone converts—...

A microphone converts—

A

sound signals into electric signals

B

electric signals in sound signals

C

Both (a) and (b)

D

neither (a) nor (b)

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MODEL PAPER SET-09

    UNITED BOOK HOUSE|Exercise EXERCISE|40 Videos

  • MODEL PAPER SET-11

    UNITED BOOK HOUSE|Exercise EXERCISE|31 Videos

Similar Questions

Explore conceptually related problems

How is nitrobenzene converted to aniline ?

Which enzyme converts glucose into alcohols ?

Which enzyme converts milk into curd ?

How can phenol be converted to aspirin ?

Nitrosomonas and Nitrobacter convert

A rectifier converts

How is toulene converted into benzaldehyde?

The hippocampus converts information from

UNITED BOOK HOUSE-MODEL PAPER SET-10-EXERCISE
  1. If ratio of amplitudes of two waves is 4:3 then ratio of maximum and m...

    Text Solution

    |

  2. When Ge crystals are doped with phosphorous atom, then it becomes —

    Text Solution

    |

  3. A microphone converts—

    Text Solution

    |

  4. A radio active element "90X^238 decays into "83X^222. The no. of B par...

    Text Solution

    |

  5. The splitting of white light into several colours on passing through a...

    Text Solution

    |

  6. No two electric field lines can intersect each other. Why?

    Text Solution

    |

  7. What is the value of an electron-volt?

    Text Solution

    |

  8. Can there be magnets with single-pole?

    Text Solution

    |

  9. What is the unit of magnetic flux?

    Text Solution

    |

  10. Can we cast the image formed by a convex mirror on a screen?

    Text Solution

    |

  11. What is S.I. unit of power of a lens?

    Text Solution

    |

  12. What is the phase difference between any two points on the same wavefr...

    Text Solution

    |

  13. Name the phenomenon which illustrates the particle nature of light.

    Text Solution

    |

  14. A TV tower is 80m tall. Calculate the maximum distance upto which the ...

    Text Solution

    |

  15. What is the purpose of modulating a signal in transmission?

    Text Solution

    |

  16. Write down the binary addition of 101010 and 010101.

    Text Solution

    |

  17. Give the symbol of NOR gate.

    Text Solution

    |

  18. An object is placed in front of a convex mirror of radius or curvature...

    Text Solution

    |

  19. What is Lorentz force? Also write the expression for it?

    Text Solution

    |

  20. Write down the dimension of magnetic field. Also write its unit in S.I...

    Text Solution

    |