Home
Class 12
PHYSICS
As the speed of an eletric fan ncreases,...

As the speed of an eletric fan ncreases, current

A

increases

B

decreases

C

remains the same

D

becomes maximum, when speed is maximum

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEXTUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|507 Videos

  • STRUCTURE OF NUCLEUS

    MODERN PUBLICATION|Exercise EXERCISE|47 Videos

  • TEXUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|195 Videos

Similar Questions

Explore conceptually related problems

Both alternating current and direct current are measured in amperes. But how is the ampere defined for an alternating current?

The self indcutance of the motor of an electric fan is 10 H. In order to impart maximum power at 50 hz, it should be connected to a capacitance of

The identical coils A,B and C are placed with their planes parallel to one another. Coil A and coil C carry the electric current as shown in Fig. SAQ 15 coil B and C are fixed. Coil A is moved towards B with a constant speed. Is their any induced current in B?

For a common emitter amplifier, dc (direct current) current gain is 60. If the emitter current is 6.6mA, calculate the collector and base current.

For a common emitter amplifier current gain = 50 if the emitter current is 6.6 mA. Calculate the collector and base current.

For a common emitter amplifier current gain is 70 if the emitter current is 8.8 milliampere (mA). Calculate the collector and base current.

MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
  1. As the speed of an eletric fan ncreases, current

    Text Solution

    |

  2. For current entering at A, the electric field E(r at a distance r form...

    Text Solution

    |

  3. A material 'B' has twice the specific resistance of 'A'. A circular wi...

    Text Solution

    |

  4. The length of a given cylindrical wire is increased by 100%. Due to th...

    Text Solution

    |

  5. If a wire is stretched to make it 0.1% longer, its resistance of will

    Text Solution

    |

  6. An electric current is passed through a circuit containing two wires o...

    Text Solution

    |

  7. By increasing the temperature, the specific resistance of a conductor ...

    Text Solution

    |

  8. A strip of copper another of germanium are cooled from room temperatur...

    Text Solution

    |

  9. The difference in the variation o resistance with temperature in a met...

    Text Solution

    |

  10. The thermistors are usually made of

    Text Solution

    |

  11. The resistance of a bulb filmanet is 100Omega at a temperature of 100^...

    Text Solution

    |

  12. The resistance of a wire is 5 ohm at 50^@C and 6 ohm at 100^@C. The re...

    Text Solution

    |

  13. The resistance of hot tungsten filament is about 10 times the cold res...

    Text Solution

    |

  14. An electric bulb is rated 220 V and 100 W. when it is operated on 110 ...

    Text Solution

    |

  15. An 220 volt-1000 watt bulb is connected across a 110 volt mains supply...

    Text Solution

    |

  16. A heater coil is cut into two equal parts and only one part is now use...

    Text Solution

    |

  17. If in the circuit, power dissipation is 150 W, then R is

    Text Solution

    |

  18. A wire when connected to 220 V mains supply has power dissipation P1. ...

    Text Solution

    |

  19. The resistance of the series combination of two resistances is S. WHen...

    Text Solution

    |

  20. A 3 V battery with negligible internal resistance is connected in a ci...

    Text Solution

    |

  21. What will be the value of current through 2Omega resistance for the ci...

    Text Solution

    |