Home
Class 12
PHYSICS
The sides of rectangular block are 2 cm,...

The sides of rectangular block are 2 cm, 3 cm ad 4 cm. The ratio of the maximum to minimum resistance between its parallel faces is

A

`4`

B

`3`

C

`2`

D

`1`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4 (LEVEL-II)|13 Videos
  • ELECTRONICS - SEMI CONDUCTOR

    MOTION|Exercise EXERCISE - 3|29 Videos

Similar Questions

Explore conceptually related problems

All the edges of a block with parallel faces are unequal. Its longest edge is twice its shortest edge. The ratio of the maximum to minimum resistance between parallel faces is.

The parallel sides of a trapezium are 30 cm and 20 cm and the area of it is 450cm^(2) , the distance between the parallel sides is

If the lengths of the two parallel sides of a trapezium are 4 cm and 6 cm. and its area is 25 cm^(2) . Find the distance between its parallel sides (in cm.).

If the lengths of the two parallel sides of a trapezium are 8 cm and 10 cm. and its area is 54 cm^(2) . Find the distance between its parallel sides (in cm.).

Parallel sides of a trapezium are 14 cm and 35 cm and the area is 1176 cm^2 . What is the value of the distance (in cm) between parallel sides?

If sides of a triangle are 3 cm, 4 cm and 5 cm then what is the distance between its incentre and circumcentre ?

MOTION-ELECTROMAGNETISM-Exercise
  1. If a copper wire is stretched to make its radius decrease by 0.1%, the...

    Text Solution

    |

  2. The number of dry cells, each of e.m.f. 1.5 volt and internal resistan...

    Text Solution

    |

  3. The sides of rectangular block are 2 cm, 3 cm ad 4 cm. The ratio of th...

    Text Solution

    |

  4. A long resistance wire is divided into 2n parts. Then n parts are conn...

    Text Solution

    |

  5. Two bulbs 100 W, 250 V and 200 W, 250 V are connected in parallel acro...

    Text Solution

    |

  6. Two tungston lamps with resistance R1 and R2 respectively at full inca...

    Text Solution

    |

  7. In the previous question which lamp will glow more brightly when they ...

    Text Solution

    |

  8. The current (I) and voltage (V) graphs for a given metallic wire at tw...

    Text Solution

    |

  9. A 3^(0)C rise in temperature is observed in a conductor by passing a c...

    Text Solution

    |

  10. A wire of resistance 0.5 omega m^(-1) is bent into a circle of radius ...

    Text Solution

    |

  11. In Wheat stone's bridge P = 9 ohm , Q = 11 ohms, R = 4 ohm and S = 6 ...

    Text Solution

    |

  12. The current -voltage - variation for a wire of copper of length (L) an...

    Text Solution

    |

  13. If fig. the difference of potential between (B) and (D) is -

    Text Solution

    |

  14. In fig the current through resistance (R) is

    Text Solution

    |

  15. In fig the steady state current in 2omega resistance is

    Text Solution

    |

  16. All bulbs in figure below are identical which, bulbs light most bright...

    Text Solution

    |

  17. A resistance coil of 60 omega is immersed in 42 kg of water. A current...

    Text Solution

    |

  18. The resistance of a galvanometer coil is 100 omega. The value of curre...

    Text Solution

    |

  19. A potentiometer experiment is setup as shown in fig. If both the galva...

    Text Solution

    |

  20. A potentiometer, wire of length 10m and resistance 21.8ohm is connect...

    Text Solution

    |