Home
Class 12
PHYSICS
The resistance of the four arms A, B, C ...

The resistance of the four arms A, B, C and D of a wheatstone bridge as shown in the figure are `10 Omega`, `20 Omega` ,`30 Omega` and `60 Omega` respectively . The emf and internal resistance of the cell are `15 V` and `2.5 Omega` respectively . If the galvanometer resistance is `80 Omega` then the net current drawn from the cell will be

A

`0.4 A`

B

`0.6 A`

C

`0.5 A`

D

`0.1 A`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The resistances of the four arms P, Q, R and S in a Wheatstone's bridge are 10Omega, 30Omega, 30Omega and 90Omega , respectively. The emfs and internal resistances of the cell are 7V and 5Omega respectively. If the galvanometer resistance is 50Omega , the current drawn from the cell will be

The emf of a cell E is 15 V as shown in the figure with an internal resistance of 0.5Omega . Then the value of the current drawn from the cell is

In Wheatstone bridge, the resistances in four arms are 10Omega,10Omega,10Omega and 20Omega . To make the bridge balance, resistance connected across 20Omega is

In Wheatstone bridge, four resistors of resistances 15 Omega, 12 Omega, 4Omega and 10 Omega respectively, are connected in cyclic order. The resistance ( in Omega ) that is to be connected in parallel with the resistance of 10 Omega to balance the network is

In a wheatstone bridge resistance of each of the four sides is 10Omega . If the resistance of the galvanometer is also 10Omega , then effective resistance of the bridge will be

The cell has an emf of 2 V and the internal resistance of this cell is 0.1 Omega , it is connected to resistance of 3.9 Omega , the voltage across the cell will be

AAKASH INSTITUTE-TEST 5-EXAMPLE
  1. A 1600 W, 180 V heater operates at 180 V. The resistance of heating co...

    Text Solution

    |

  2. The potential difference (Vp-VQ) between the points P and Q in the par...

    Text Solution

    |

  3. The resistance of the four arms A, B, C and D of a wheatstone bridge a...

    Text Solution

    |

  4. A battery of emf epsilon and internal resistance r is connected across...

    Text Solution

    |

  5. In the circuit shown in the figure, reading of ammeter is I1 when only...

    Text Solution

    |

  6. A capacitor is charged using a a battery and energy stored is U. After...

    Text Solution

    |

  7. A parallel plate capacitor with liquid filled between the plates (diel...

    Text Solution

    |

  8. A non-conducting sphere of radius R is given a charge Q. Charge is un...

    Text Solution

    |

  9. A positive charge q is enclosed by a Guassian spherical surface of rad...

    Text Solution

    |

  10. A uniform electric field 'E' exists between two parallel plates having...

    Text Solution

    |

  11. An electric dipole is placed in an electric field generated by a point...

    Text Solution

    |

  12. Two point masses m and 4m are connected by a light rigid rod of length...

    Text Solution

    |

  13. Angular momentum of a rigid body rotating about a fixed Axis with angu...

    Text Solution

    |

  14. Pseudo force is applied in

    Text Solution

    |

  15. Select the correct statement out of the following

    Text Solution

    |

  16. A block of mass m is kept over another block of mass 2m. Coefficient o...

    Text Solution

    |

  17. A ball of mass m by means of two massless strings of equal length l is...

    Text Solution

    |

  18. A disc is in pure rolling motion on a rough horizontal surface. It ent...

    Text Solution

    |

  19. If angular velocity of a particle having position vector vec r = (2hat...

    Text Solution

    |

  20. The radius of gyration of a uniform rod of mass m and length l about a...

    Text Solution

    |