Home
Class 12
PHYSICS
The wheatstone's network is most sensiti...

The wheatstone's network is most sensitive when the ratio of its arms is

A

` 1 : 1`

B

zero

C

`10 : 1`

D

`1 : 100`

Text Solution

Verified by Experts

The correct Answer is:
A

For maximum sensitivity, the null point should be at the centre. Ratio 1 : 1.
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP -20|10 Videos
  • ELASTICITY

    MARVEL PUBLICATION|Exercise Test Your Grasp - 5|15 Videos

Similar Questions

Explore conceptually related problems

Ear is most sensitive to

Retina is most sensitive at

Retina is most sensitive at

Eye is most sensitive to :

A potentiometer is more sensitive when

Human eye is most sensitive to

Which are coorect statement ? (1) The Wheatstone bridge is most sensitive when all the four resistances are of the same order (2) Kirchhoffs first law (for currents meeting at a junction in an electric circuit) expresses the conservation of charge. (3) The rheostat can be used as a potential divider. (4) In a balanced Wheatstone bridge, interchanging the positions of galvanometer and cell affects the balance of the bridge.

Wheaststone bridge is most sensitive when the resistance of all four arms are

Wheat stone's bridge is more sensitive when the arms ratio is (A) Equal to one (B) Less than one (C) More than one (D) Zero

MARVEL PUBLICATION-CURRENT ELECTRICITY-MCQ
  1. Figure6.52 shows a balanced wheatstone network. Now, it is disturbed b...

    Text Solution

    |

  2. If P=Q=R=10 Omega and S=20 Omega, then what resistance should be joine...

    Text Solution

    |

  3. The wheatstone's network is most sensitive when the ratio of its arms ...

    Text Solution

    |

  4. In the given circuit, the galvanometer G gives zero deflection. What i...

    Text Solution

    |

  5. Two resistances are connected in the two gaps of a meter bridge. The b...

    Text Solution

    |

  6. For resistances arranged to form a wheatstone's network are 10 Omega, ...

    Text Solution

    |

  7. In the given network, if the points B and D are connected by a copper ...

    Text Solution

    |

  8. An unknown resistance R(1) is connected is series with a resistance of...

    Text Solution

    |

  9. The resistance of each arm of the wheat stone bridge is 10Omega. A r...

    Text Solution

    |

  10. R(1),R(2),R(3) are different values R. A,B and C are the null points o...

    Text Solution

    |

  11. Two resistances of values 20 Omega and 20 Omega are introduced in the ...

    Text Solution

    |

  12. What is the current in 10 Omega resistance in the following network ?

    Text Solution

    |

  13. In the given circuit, when the galvanometer G shows no deflection, the...

    Text Solution

    |

  14. In a typical Wheatstone's network, the resistances in the cyclic order...

    Text Solution

    |

  15. In the following circuit, the current drawn from the battery is 2A. If...

    Text Solution

    |

  16. In the given circuit, the galvanometer will not show any deflection if...

    Text Solution

    |

  17. A balanced Wheatstone's network is shown in the figure. If the balance...

    Text Solution

    |

  18. Resistance in the two gaps of a meter bridge are 10 ohm and 30 ohm res...

    Text Solution

    |

  19. A wire of length 3 m connected in the left gap of a metre bridge balan...

    Text Solution

    |

  20. 6 resistances, each of 4 Omega are joined as shown in the figure. What...

    Text Solution

    |