Home
Class 12
PHYSICS
A wire of resistance 0.5 omega m^(-1) is...

A wire of resistance `0.5 omega m^(-1)` is bent into a circle of radius `1m`. The same wire is connected across a diameter `AB` as shown in fig. The equivalent resistance is

A

`pi ohm`

B

`(pi)/((pi + 2)) ohm`

C

`(pi)/((pi + 4)) ohm`

D

`(pi + 1) ohm`

Text Solution

Verified by Experts

The correct Answer is:
C
Doubtnut Promotions Banner Mobile Dark
|

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

A wire of resistance 5 Omega is bent in the form of a closed circle. Find the resistance across the diameter of the circle.

A wire of resistance 8R is bent in the form of a circle. What is the effective resistance between the ends of a diameter AB ?

Knowledge Check

  • 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
    `4/((4+pi))Omega`
    B
    `3/((3+pi)) Omega`
    C
    `2/((2+pi)Omega`
    D
    `1/((1+pi)) Omega`
  • A wire has resistance of 12 Omega . It is bent in the form of a circle. The effective resistance across any diameter is equal to

    A
    `12 Omega`
    B
    `6 Omega`
    C
    `3 Omega`
    D
    `24 Omega`
  • A wire has resistance 12 Omega . It is bent in the form of a circle. The effective resistance between two points across a diameter is.

    A
    `3 Omega`
    B
    `6 Omega`
    C
    `12 Omega`
    D
    `24 Omega`
  • Similar Questions

    Explore conceptually related problems

    A wire of resistance 8R is bent in the form of a circle. What is the effective resistance between the ends of a diameter AB?

    A wire of resistance 12 Omega m^(-1) is bent to from a complete circle of radius 10 cm . The resistance between its two diametrically opposite points, A and B as shown in the figure, is

    12 wires of different resistances are connected as shown. Find the equivalent resistance A and F.

    The resistance of a wire is 10^(-6)Omega per metre. It is bend in the form of a circle of diameter m 2 . A wire of the same material is connected across its diameter. The total resistance across its diameter AB will be

    A uniform wire of resistance 36 Omega is bent in the form of a circle. The effective resistance across the points A and B is