Home
Class 10
PHYSICS
What voltage drop is there across 1kW el...

What voltage drop is there across 1kW electric heater, whose resistance when hot is `40Omega`?

A

50 V

B

100 V

C

200 V

D

400 V

Text Solution

Verified by Experts

The correct Answer is:
C
200 V
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS QUESTIONS

    MCGROW HILL PUBLICATION|Exercise PART-B|99 Videos

  • MEASUREMENT

    MCGROW HILL PUBLICATION|Exercise ELEMENTARY QUESTIONS (HIGHER ORDER THINKING QUESTIONS)|13 Videos

  • MOTION

    MCGROW HILL PUBLICATION|Exercise HIGHER ORDER THINKING QUESTIONS|48 Videos

Similar Questions

Explore conceptually related problems

What is the voltage gain in a common emitter amplifier when the input resistance is 200 Omega and the load resistance is 1 K Omega ? ( beta = 50 )

How much current does an electric heater draw from a 220 V line, If the resistance of the heater (when hot) is 50 Omega ?

The voltmeter reads 40 V across 60 Omega resistance. The resistance of voltmeter is. .

Out of the two, a toaster of 1 kW and an electric heater of 2 kW , which has a greater resistance ?

In the above circuit, the voltage drop across the resistance (R) is

The rating of an electric heater is1100 w, 220V calculate the resistance when it operates at 220 v, also calculate the energy consumed in kwh in the month of November, if the heater is used daily for 4 hours at the rated voltage.

How much current will an electric heater coil draw from a 220 V source, if the resistance of the heater is 100Omega ?

In a CE transistor amplifier, the audio signal voltage across the collector resistance of 2 k Omega is 2 V . If the base resistance is 1 k Omega and the current amplification of the transistor is 100 , the input signal voltage is

For the circuit shown in figure, Find (1) the output voltage , (2) the voltage drop across series resistance , (3) the current through Zener diode. .

MCGROW HILL PUBLICATION-MISCELLANEOUS QUESTIONS-PART-B
  1. An echo repeats two syllables. If the velocity of sound be 330ms^(-1) ...

    Text Solution

    |

  2. Two charged balls attract each other with a certain force. If they are...

    Text Solution

    |

  3. What voltage drop is there across 1kW electric heater, whose resistanc...

    Text Solution

    |

  4. A point object is placed in front of a plane mirror. If the object and...

    Text Solution

    |

  5. The distance (S) travelled varies with time (t) for four different bod...

    Text Solution

    |

  6. The area under acceleration-time graph gives

    Text Solution

    |

  7. The displacement of a body is proporticonal to the cube of time elapse...

    Text Solution

    |

  8. Fig. 3.39 shows the acceleration - time graph for a particle in rectil...

    Text Solution

    |

  9. A boy is carrying a bucket of water in one hand and a piece of plastic...

    Text Solution

    |

  10. A raft of wood (density=600kg//m^(3)) of mass 120 kg floats in water. ...

    Text Solution

    |

  11. A wooden cube floating in water supports a mass 0.2 kg on its top. Whe...

    Text Solution

    |

  12. A boat having a length of 3m and breath 1m is floating on a lake. The ...

    Text Solution

    |

  13. A man is sitting in a boat which is floating in a pond. If the man dri...

    Text Solution

    |

  14. Kg ms^(-1) is used to express

    Text Solution

    |

  15. If we plot a graph between force and time, the area under the curve an...

    Text Solution

    |

  16. The ratio of Si to cgs units of buoyant force Is

    Text Solution

    |

  17. Two stretched membranes of areas 2cm^(2) and 3cm^(2) are placed in a l...

    Text Solution

    |

  18. Where will it be profitable to purchase 1 kilogram sugar

    Text Solution

    |

  19. As we go from the equator to the poles, the value of g

    Text Solution

    |

  20. Who among the following gave first the experimental value of G

    Text Solution

    |