Home
Class 11
PHYSICS
Two resistances are expressed as R1=(4 +...

Two resistances are expressed as `R_1=(4 +-0.5)` Omega and `R_2 =(12 +-0.5) Omega` . What is the net resistances when these are connected in series.

Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS,BEHAVIOUR OF PERFECT GAS AND KINETIC THEORY OF GASES AND HEAT TRANSFER

    PATHFINDER|Exercise QUESTION BANK|163 Videos
  • VECTOR-I AND VECTOR-II

    PATHFINDER|Exercise QUESTION BANK|187 Videos

Similar Questions

Explore conceptually related problems

Two resistances are expressed as R_1=(4 ±0.5) Omega and R_2 =(12 ±0.5) Omega . What is the net resistances when these are connected in parallel with percentage error.

The vaIue of two resistors are (5.0 pm 0.2)k Omega and (10.0 pm 0.1)k Omega . What is the percentage error in the equivaIent resistance when they are connected in paraIIeI?

Two cells having emf l.5Vand 2V have internal resistance 0.2 Omega and 0.3 Omega respectively. What is the equivalent emf and equivalent resistance if they are connected in paralleled combinations?

To the parallel combination of two resistances 3 Omega and 1 Omega , a series combination of resistances 2.15 Omega and 1 Omega and a battery are connected. The interval resistance of the battery is 0.1 Omega and the emf is 2V. Determine the values of current flowing through the resistances. Draw the diagram of the circuit.

48 similar cells each of emf 1.5V and internal resistance 2 Omega are used for sending current through a resistance of 6 Omega . What will be the current if the cells are connected in the following way: 4 rows and 12 cells in a row

Two cells one of emf 1.4 V and internal resistance 0.6 Omega the other of emf 2.5. V and internal resistance 0.3 Omega are connected in parallel and the combination is connected in series with an external resistance of 4 Omega . What is the current through this resistance?

A resistor of magnitude 45 Omega is connected to an electric cell of emf 12V and of 3 Omega internal resistance. An ammeter of resistance 4.5 Omega and a voltmeter of resistance 405 Omega are properly connected with the resistor.What percentage errors is flowing current and potential difference will occur?

What percent will be the equivalent resistance of two resistances 2 Omega and 3 Omega in their parallel combination with respect to their equivalent resistance in series combination?

An electric cell is sending electric currents through a resistance of 10 Omega . IF a shunt of 1 Omega is connected with that resistance then the current through the 10 Omega resistance becomes half of the previous value.What is the resistance of the cell?IF the current through the shunt be 0.9A, then what will be the emf of the cell?

PATHFINDER-UNITS AND MEASUREMENT-QUESTION BANK
  1. What is the maximum percentage error in the measurement of K,E.If the ...

    Text Solution

    |

  2. The dimensional formula for Planck's constant and angular momentum ar...

    Text Solution

    |

  3. Name three physical quantities having the same dimensions.

    Text Solution

    |

  4. State the number of significant figures in 5.003.

    Text Solution

    |

  5. What is the maximum possible relative error in Z, where Z =A^n B^m?

    Text Solution

    |

  6. What is the difference between A^@ and AU?

    Text Solution

    |

  7. if an atom were enlarged to the size of the earth (approx 10^7m ), ho...

    Text Solution

    |

  8. Write the units of Vander Waals constants a and b.

    Text Solution

    |

  9. A new unit of length is chosen such that the speed of light in vacuum ...

    Text Solution

    |

  10. Y=Asin (omegat - kx), t and x stand for time and distance respectively...

    Text Solution

    |

  11. Round off to 3 significant figures 20.96m

    Text Solution

    |

  12. Round off to 3 significant figures 17.33m

    Text Solution

    |

  13. A student measures the thickness of a human hair by looking it throug...

    Text Solution

    |

  14. The photograph of a house occupies an area of 1.75 cm^2 on a 35 mm sli...

    Text Solution

    |

  15. Using dimensional analysis, convert one joule into erg.

    Text Solution

    |

  16. Write the dimensions of a xx b in the relation E = ( b - x^(2))/( at),...

    Text Solution

    |

  17. The resistance R = V//i, where V = 100 +- 5 V and I = 10+- 0.2 A. What...

    Text Solution

    |

  18. Calculate focal length of a spherical mirror from the following abserv...

    Text Solution

    |

  19. Two resistances are expressed as R1=(4 +-0.5) Omega and R2 =(12 +-0.5)...

    Text Solution

    |

  20. Two resistances are expressed as R1=(4 ±0.5) Omega and R2 =(12 ±0.5) O...

    Text Solution

    |