Home
Class 12
PHYSICS
Two resistances are measured in ohm and ...

Two resistances are measured in ohm and are given as:
`R_(1)=3Omegapm1%`
`R_(2)=6Omegapm2%`
When they are connected in parallel, the percentage error in equivalent resistance is

A

`3%`

B

`4.5%`

C

`0.67%`

D

`1.33%`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN|Exercise Basic Maths (KINEMATICS)|59 Videos

  • RACE

    ALLEN|Exercise Basic Maths (NEWTONS LAWS OF MOTION)|46 Videos

  • RACE

    ALLEN|Exercise Basic Maths (VECTORS)|60 Videos

  • NEWTONS LAWS OF MOTION

    ALLEN|Exercise EXERCISE-III|28 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN|Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

Two resistance are measured in ohm and is given as:- R_(1)=3Omega+-1% &R_(2)=6Omega+-2% When they are connected in parallel, the percentage error in equivalent resistance is

When two resistors of (600pm3) ohm and (300pm 6) ohm are connected in parallel, value of the equivalent resistance is

Two resistor of resistance R_(1)=(6+-0.09)Omega and R_(2)=(3+-0.09)Omega are connected in parallel the equivalent resistance R with error (in Omega)

Resistance R,2R,4R,8R ...... oo are connected in parallel. What is their resutlant resistance will be

Two resistances R_(1) = 100 +- 3 Omega and R_(2) = 200 +- 4 Omega are connected in series . Find the equivalent resistance of the series combination.

Two resistances R_(1) = 100 +- 3 Omega and R_(2) = 200 +- 4 Omega are connected in series . Find the equivalent resistance of the series combination.

Two cells of emfs epsilon_(1)and epsilon_(2) and internal resistances r_(1)and r_(2) respectively are connected in parallel . Obtain expressions for the equivalent (i) resistance and , (ii) emf of the combination.

If voltage V=(100pm5) V and current I=(10pm0.2) A, the percentage error in resistance R is

Two resistors of resistances R_(1)=(300+-3) Omega and R_(2)=(500+-4) Omega are connected in series. The equivalent resistance of the series combination is

When two resistances R_1 and R_2 are connected in series , they consume 12 W powers . When they are connected in parallel , they consume 50 W powers . What is the ratio of the powers of R_1 and R_2 ?

ALLEN-RACE-Basic Maths (Units, Dimensions & Measurements)
  1. If momentum (p) area (A) and time (t) are taken to be fundamental quat...

    Text Solution

    |

  2. Which of the following specification is most accurate ?

    Text Solution

    |

  3. If a,x,b are in A.P.,a,y,b are in G.P. and a,z,b are in H.P. such that...

    Text Solution

    |

  4. Two resistances are measured in ohm and are given as: R(1)=3Omegapm1...

    Text Solution

    |

  5. The percentage error in measurement of a physical quantity m, given by...

    Text Solution

    |

  6. The number of significant digits in 0.001001 is :-

    Text Solution

    |

  7. The sides of a rectangle are (10.5 +- 0.2) cm and ( 5.2 +- 0.1 ) cm. C...

    Text Solution

    |

  8. The Young modulus (Y) of a material is given by Y=(WL)/(pir^(2)l). If ...

    Text Solution

    |

  9. Which of the following measurement is most precise?

    Text Solution

    |

  10. What is the reading of micrometer screw gauge shown in figure

    Text Solution

    |

  11. In a vernier callipers N divisions of vernier scale coincide with N-1 ...

    Text Solution

    |

  12. A vernier callipers having 1 mai scale divison =0.1cm is designed to h...

    Text Solution

    |

  13. The circular scale of a screw gauge has 50. divisions and pitch of 0.5...

    Text Solution

    |

  14. The diameter of a cylinder is measured using a vernier callipers with ...

    Text Solution

    |

  15. Two full turns of the circular scale of a screw gauge cover a distance...

    Text Solution

    |

  16. The circular scale of a micrometer has 200 divisions and pitch of 2 mm...

    Text Solution

    |

  17. A good analogy for understanding accuracy and precision is to imagine ...

    Text Solution

    |

  18. Suppose, you are to take the measurements of the mass of a 50.0-gram s...

    Text Solution

    |

  19. The main scale of a vernier callipers reads in millimeter and its vern...

    Text Solution

    |

  20. The pitch of a screw gauge is 1mm and there are 100 divisions on the c...

    Text Solution

    |