Home
Class 10
PHYSICS
A piece of wire of resistance 4Omega is ...

A piece of wire of resistance `4Omega` is bent through `180^(@)` at its midpoint and the two halves are twisted together.Then the resistance is

A

`1 Omega `

B

`2 Omega `

C

`5 Omega `

D

`8 Omega `

Text Solution

Verified by Experts

The correct Answer is:
A

`1 Omega `
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

A piece of wire of resistance 4 ohm s is bent through 180^(@) at its mid point and the two halves are twisted together, then the resistance is

A 8 Omega resistance wire is bent through 180^(@) at its mid point and the two halves are twisted together. Then the resistance is

(a) State four factors on which the resistance of a conductor depends. (b) A piece of wire of resistance 20 Omega is drawn out so that its length is increased to twice its original length. Calculate the resistance of the wire in the new situation.

A 4 Omega non insulated resistance wire is bent in the middle by 180^@ and both the halves are twisted with each other. What will be its new resistance ?

A piece of wire of resistance 20 Omega is drawn so that its length is increased to twice is original length. Calculate resistance of the wire in the new situation.

A wire of resistance (1 Omega ) is divided into two halves and both halves are connected in parallel. Find the new resistance.

A wire of resistance 2Omega is stretched so that its radius is halved. Determine its new resistance.

A wire of resistance 5 Omega is bent in the form of a closed circle. Find the resistance across the diameter of the circle.

MCGROW HILL PUBLICATION-MISCELLANEOUS QUESTIONS-PART-B
  1. A piece of wire of resistance 4Omega is bent through 180^(@) at its mi...

    Text Solution

    |

  2. A car moving with a speed of 30 ms^(-1) takes a U-turn in 6 seconds, w...

    Text Solution

    |

  3. An insect craws a distance of 3m along north in 6 seconds and then a d...

    Text Solution

    |

  4. In which of the following velocity (v) - time (1) graphs, the instanta...

    Text Solution

    |

  5. If x is the distance at which a car can be stopped when initially it w...

    Text Solution

    |

  6. A stone is dropped from the top of a tower and travels 24.5 m in the l...

    Text Solution

    |

  7. A ball is dropped into a well in which the water level is at a depth h...

    Text Solution

    |

  8. A man throws ball into the air one after the other. Throwing one when ...

    Text Solution

    |

  9. A body is thrown vertically upwards. Which one of the following graphs...

    Text Solution

    |

  10. The velocity-time graph of a body is shown in figure. The ratio of mag...

    Text Solution

    |

  11. A bus traveling the first one-third distance at a speed of 10 km/h, th...

    Text Solution

    |

  12. A cube has numerically equal volume and surface area. The volume of su...

    Text Solution

    |

  13. A body covers a distance of L along a semicircular path. Then the rati...

    Text Solution

    |

  14. The variation of quantity P with quantity Q, describes the motion of a...

    Text Solution

    |

  15. If linear momentum if increased by 50% then kinetic energy will be inc...

    Text Solution

    |

  16. If water be used to construct a barometer, what would be the height of...

    Text Solution

    |

  17. An aluminium sphere is dipped into water. Which of the following is tr...

    Text Solution

    |

  18. An echo repeats two syllables. If the velocity of sound be 330ms^(-1) ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |