Home
Class 12
PHYSICS
For the following diagram the galvanomet...

For the following diagram the galvanometer shows zero deflection then what is the value of R?

A

`52 Omega`

B

`50 Omega`

C

`100 Omega`

D

`25 Omega`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -2 (OBJECTIVE PROBLEMS NEET)|41 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -3 SECTION -A (PREVIOUS YEAR PROBLEMS NEET)|34 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -4 (Level -II)|25 Videos

  • CONSTRAINED MOTION

    MOTION|Exercise EXAMPLES|12 Videos

  • ELASTICITY

    MOTION|Exercise EXERCISE -3|60 Videos
MOTION-CURRENT ELECTRICITY-EXERCISE -1 (OBJECTIVE PROBLEMS NEET)
  1. Five resistance are connected as shown in fig. The effective resistanc...

    Text Solution

    |

  2. In a closed circuit, the vector sum of total e.m.f.s is equal to the s...

    Text Solution

    |

  3. For the following diagram the galvanometer shows zero deflection then ...

    Text Solution

    |

  4. For following circuit the value of total resistance between X an...

    Text Solution

    |

  5. Reading of ammeter is

    Text Solution

    |

  6. In the following circuit the resultant emf between AB is –

    Text Solution

    |

  7. Two cells , each of emf E and internal resistance r, are connected in ...

    Text Solution

    |

  8. A cell of e.m.f (E) and internal resistance (r) is connected in series...

    Text Solution

    |

  9. The terminal potential difference of a cell when short-circuited is (E...

    Text Solution

    |

  10. A storage battery is connected to a charger for changing with a voltag...

    Text Solution

    |

  11. The terminal voltage across a battery of emf E can be

    Text Solution

    |

  12. In the figure shown, battery 1 has emf=6V and internal resistance = 1O...

    Text Solution

    |

  13. In which of the above cells, the potential difference between the term...

    Text Solution

    |

  14. Five dry cell each of e.m.f 1.5V are connected in parallel. The e.m.f ...

    Text Solution

    |

  15. Two bulbs, one of 50 watt and another of 25 watt are connected in seri...

    Text Solution

    |

  16. Constant voltage is applied between the two ends of a uniform metallic...

    Text Solution

    |

  17. Two electic bulbs rated P(1) watt V volts and P(2) watt V volts are co...

    Text Solution

    |

  18. Lamps used for household lighting are connected in

    Text Solution

    |

  19. Two electric bulbs whose resistances are in the ratio of 1:2 are conne...

    Text Solution

    |

  20. An electric bulb is rated at 220V, 100W. What is its resistance?

    Text Solution

    |