Home
Class 12
PHYSICS
The length and cross-section of the wire...

The length and cross-section of the wire of meter bridge are

A

0.5 m and non-uniform

B

0.5 m and uniform

C

1 m and non-uniform

D

1 m and uniform

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Current Electricity

    CHETANA PUBLICATION|Exercise Exercise|92 Videos
  • AC CIRCUITS

    CHETANA PUBLICATION|Exercise Exercise|122 Videos
  • Dual Nature of Radiation and Matter

    CHETANA PUBLICATION|Exercise EXERCISE|89 Videos

Similar Questions

Explore conceptually related problems

One end of uniform wire of length L and of weight W is attached rigidly to a point in the roof and a weight W_(1) is suspended from its lower end. If s is the area of cross section of the wire, the stress in the wire at a height ( 3L//4 ) from its lower end is

To determine the young's modulus of a wire , the formula is Y = (F)/( A) . (L)/ ( Delta l) , where L = l ength , A = area of cross - section of the wire , DeltaL = change in the length of the wire when streched with a force F . Find the conversion factor to change it from CGS t o MKS system.

Find the steady curent flowing through a metal wire when 3 xx 10^8 electron pass across a cross-section of the wire in one minute. (Charge on an electron = 1.6 xx 10^-9 C)

A wire of length L and cross sectional area A is made of a material of Young's modulus Y. If the wire is streched by an amount x, the work done is………………

In a stretched wire under tension and fixed at both ends, the area of cross section of the wire is halved and the tension is doubled. The frequency of the wire will be

An electric charge of 12 C passes through the cross section of a wire in one minute. Find the current through the wire.

Solve the following examples (numerical problems): An electric charge of 15 C passes through the cross section of a wire in one minute. Find the current through the wire.

A copper wire and a steel wire of same length and same cross-section are joined end to end. The compositive wire is hung from a rigid support and a load is suspended form the free end. The increase in length of the compositive wire is 4 mm. The increase in copper wire will be (Y_(copper)=1.2xx10^(11)N//m^(2),Y_(steel)=2xx10^(11)N//m^(2))

A 20 N stone is suspended from a wire and its length changes by 1% . If the Young's modulus of the material of wire is 2xx10^(11)N//m^(2) , then the area of cross-section of the wire will be

A wire carries a current of 0.3 A. Calculate the charge passing through the cross section of the wire in two minutes.

CHETANA PUBLICATION-Current Electricity-Exercise
  1. A cell supplies a current 1.2A through a resistor 2 Omega. The same ce...

    Text Solution

    |

  2. A voltmeter having a resistance of 50 Omega is connected across a cell...

    Text Solution

    |

  3. The length and cross-section of the wire of meter bridge are

    Text Solution

    |

  4. The balance point is obtained at 40 cm from left end in meter bridge. ...

    Text Solution

    |

  5. Kelvin's method of determination of resistance of galvanometer

    Text Solution

    |

  6. Accuracy of potentiometer can be easily increased by

    Text Solution

    |

  7. A potential difference 3V is applied across a potentiometer wire of le...

    Text Solution

    |

  8. A cell of internal resistance "r" is connected to an external resistan...

    Text Solution

    |

  9. A Wheatstone's bridge ABCD is balanced with a galvanometer between the...

    Text Solution

    |

  10. Kirchhoffs voltage law and current law are respectively in accordance ...

    Text Solution

    |

  11. A skeleton cube is made of 12 wires, each of resistance R. The resista...

    Text Solution

    |

  12. When unknown resistance is determined by meterbridge the error due to ...

    Text Solution

    |

  13. In potentiometer experiment, if l1 is the balancing length for emf of ...

    Text Solution

    |

  14. An ideal ammeter has

    Text Solution

    |

  15. Which of the following statement is true?

    Text Solution

    |

  16. In the following circuit the value of resistance R

    Text Solution

    |

  17. The deflection in moving coil galvanometer is reduced to half when it ...

    Text Solution

    |

  18. If galvanometer is shunted by (1/n)^ th resistance, then the the frac...

    Text Solution

    |

  19. An ideal voltmeter has

    Text Solution

    |

  20. The resistance of a galvanometer is G. If S is the resistance used to ...

    Text Solution

    |