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 ENGLISH|Exercise Exercise-2 (Part-3)|22 Videos

  • CURRENT ELECTRICITY

    RESONANCE ENGLISH|Exercise Exercise-2 (Part-4)|12 Videos

  • CURRENT ELECTRICITY

    RESONANCE ENGLISH|Exercise Exercise-2 (Part-1)|24 Videos

  • COMMUNICATION SYSTEMS

    RESONANCE ENGLISH|Exercise Exercise 3|13 Videos

  • DAILY PRACTICE PROBLEM

    RESONANCE ENGLISH|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

The equivalent resistance across AB in the given network is

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

In the given circuit all resistances are of value R ohm each. The equivalent resistance between A and Bis :

In the given network of resistors, each of resistance R, calculate the equivalent resistance between the junctions A and E

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 :

A uniform wire of resistance 4Omega is bent into circle of radius r . As specimen of the same wire is connected along the dimeter of the circle. What is the equivalent resistance across the ends of this wire?

A circular ring of radius a is made from a wire having resistance (lambda) per unit length. The ring is mounted on a car such that ring remains vertical. The care moves along a horizontal circle of radius R and completes n revolutions per minute. The horizontal component of earth's magnetic field be H, The emf induced in the ring is

A circular ring of radius a is made from a wire having resistance (lambda) per unit length. The ring is mounted on a car such that ring remains vertical. The care moves along a horizontal circle of radius R and completes n revolutions per minute. The horizontal component of earth's magnetic field be H, Calculate average rate at which heat is produced in the ring

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

    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 of batteries consisting of 300 identical...

    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 represents a regular five poi...

    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. When current in a coil changes from 25 A to 12 A in 0.1 s , average vo...

    Text Solution

    |

  16. Two resistors 400Omega and 800Omega are connected in series with a 6 V...

    Text Solution

    |