Home
Class 12
PHYSICS
A hemispherical network of radius a is m...

A hemispherical network of radius a is made by using a conducting wire of resistance per unit length 'r' The equivalent resistance across OP is given by `[(pi+n)/8]` ar the value of n will be.

Text Solution

Verified by Experts

The correct Answer is:
2
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    RESONANCE|Exercise Exercise-2 (Part-3)|22 Videos
  • CURRENT ELECTRICITY

    RESONANCE|Exercise Exercise-2 (Part-4)|12 Videos
  • CURRENT ELECTRICITY

    RESONANCE|Exercise Exercise-2 (Part-1)|25 Videos
  • COMMUNICATION SYSTEMS

    RESONANCE|Exercise Exercise 3|13 Videos
  • DAILY PRACTICE PROBLEM

    RESONANCE|Exercise DPP.No.71|1 Videos

Similar Questions

Explore conceptually related problems

A hemi-spherical network of radius a is made by using a conducting wire of resistance per unit length r . The equivalent resistance across OP is

A hemispherical network of raidus a is made by using a conducting wire of resistance per unit length r. Find the equivalent resistance across OP.

The equivalent resistance across AB in the given network is

A cube made up of wire each of resistance R. The find equivalent resistance across its diagnol

An infinite network of resistances has been made as shown in the figure. Each resistance is R. find the equivalent resistance between A and B.

If an equilateral triangle is made of a uniform wire is resistance R, the equivalent resistance between the ends of sides is

A wire is stretched to n times its length. Then the resistance now will be increase by

In the given circuit, if resistance of each resistor is R: Find the equivalent resistance between M and N,

For the network of resistance shown in the figure the equivalent resistance of the network between the points A and B is 18 ohm. The value of unknown resistance R is :

RESONANCE-CURRENT ELECTRICITY-Exercise-2 (Part-2)
  1. The current density in a cylindrical conductor of radius R varies acco...

    Text Solution

    |

  2. 1 meter long metallic wire is broken into two unequal parts P and Q. ...

    Text Solution

    |

  3. In the figur shown, the thermal power generated in 'Y' is maximum when...

    Text Solution

    |

  4. A series parallel combination battery consisting of a large number N ...

    Text Solution

    |

  5. The internal resistance of an accumulator battery of emf 6V is 10(Omeg...

    Text Solution

    |

  6. A hemispherical network of radius a is made by using a conducting wire...

    Text Solution

    |

  7. Find the resistance in ohm of a wire frame shaped as a cube (figure) w...

    Text Solution

    |

  8. The figure is made of a uniform wire and represnts a regular five poin...

    Text Solution

    |

  9. In the circuit shown in fig. E(1)=3" volt",E(2)=2" volt",E(3)=1" vole ...

    Text Solution

    |

  10. The resistance of each resisor in the circuit diagram shown in figure ...

    Text Solution

    |

  11. In the circuit shown in figure 16, E, F, G and H are cells of emf 2...

    Text Solution

    |

  12. If the galvanometer in the circuit of figure reads zero, calculate the...

    Text Solution

    |

  13. Shown an arrangement to measure the emf (epsilon)and internal resistan...

    Text Solution

    |

  14. In the circuit shown, reading of the voltmeter connected across 400 Om...

    Text Solution

    |

  15. In the given circuit the ammeter A(1)" and "A(2) are ideal and the amm...

    Text Solution

    |

  16. Two resistors, 400 Omega, " and "800 Omega are connected in series wit...

    Text Solution

    |