Home
Class 12
PHYSICS
At the moment when the potentiometer is ...

At the moment when the potentiometer is balanced,

A

current flows only in the primary circuit

B

current flows only in the secondary circuit

C

current flows both in primary and secondary circuits

D

current does not flow in any circuit

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 1 C.W|64 Videos

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 1 H.W|63 Videos

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 6|43 Videos

  • COMMUNICATION SYSTEM

    NARAYNA|Exercise Level-II(H.W)|25 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise ASSERTION AND REASON|15 Videos

Similar Questions

Explore conceptually related problems

In potentiometer experiment, null point isobtained at a particular point for a cell on potentiometer wire x cm long. If the lengthof the potentiometer wire is increasedwithout changing the cell, the balancing length will (Driving source is not changed)

In the experiment of potentiometer, at balance, there is no current in the

A cell is balanced at 100cm of a potentiometer wire when the total length of the wire is 400cm .If the length of the potentiometer wire is increased by 100cm ,then the new balancing length for the cell will be

If the balance length corresponding to points B and C is 40 cm on the potentiometer wire, the balance length corresponding to point C and D is

In comparing emf's of 2 cells with the helf of potentiometer, at the balance point, the current flowing through the wire is taken from

When a balance point is obtained in a potentiometer for finding the internal resistance of a cell, the current through the potentiometer wire is due to

The length of the potentiometer wire is 600 cm and a current of 40 mA is flowing in it. When a cell of emf 2 V and internal resistance 10Omega is balanced on this potentiometer the balance length is found to be 500 cm. The resistance of potentiometer wire will be

NARAYNA-CURRENT ELECTRICITY-C.U.Q
  1. In comparing emf's of 2 cells with the helf of potentiometer, at the b...

    Text Solution

    |

  2. A potentiometer wire is connectd across the ideal battery now, the rad...

    Text Solution

    |

  3. In a potentiometer of ten wires each of 1m, the balance point is obtai...

    Text Solution

    |

  4. If the emf of the cell in the primary circuit is doubled, with out cha...

    Text Solution

    |

  5. The potential gradients on the potentiometer wire are V(1) and V(2) wi...

    Text Solution

    |

  6. If the current in the primary circuit is decreased, then balancing len...

    Text Solution

    |

  7. Temperature coefficient of resistance alpha and resistivity rho of a p...

    Text Solution

    |

  8. A series high resistance is preferable than shunt resistance in the ga...

    Text Solution

    |

  9. Sensitivity of potentiometer can be increased by

    Text Solution

    |

  10. A cell of emf E and internal resistance r connected in the secondary g...

    Text Solution

    |

  11. Potentiometer is an ideal instrument because

    Text Solution

    |

  12. On increasing the resistance of the primary circuit of potentiometer, ...

    Text Solution

    |

  13. If the value of potential gradient on potentiometer wire is decreased,...

    Text Solution

    |

  14. A cell of negligible internal resistance is connected to a potentiomet...

    Text Solution

    |

  15. For a potentiometer to function, the emf of the cell (E) in the primar...

    Text Solution

    |

  16. The balancing lengths of potentiometer wire are l(1) and l(2) when two...

    Text Solution

    |

  17. At the moment when the potentiometer is balanced,

    Text Solution

    |

  18. The quantity that cannot be measured by a potentiometer is….

    Text Solution

    |

  19. Assertion A potentiometer is preferred over that of a voltmeter for me...

    Text Solution

    |

  20. Assertion: The emf of the cell in secondary circuit must be less than ...

    Text Solution

    |