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    a wire of resistance 12 ohm is bent in the form of a circle

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    A wire has resistance 12 Ω. It is bent in the form of a circle. The effective resistance between the two points on any diameter is equal to

    A wire has resistance 12 Ω. It is bent in the form of a circle. The effective resistance between the two points on any diameter is equal to

    Byju's Answer Standard XII Physics

    Series and Parallel Combination of Resistors

    A wire has re... Question

    A wire has resistance

    12 Ω

    . It is bent in the form of a circle. The effective resistance between the two points on any diameter is equal to

    A 12 Ω B 6 Ω C 3 Ω D 24 Ω Open in App Solution

    Step 1: Given that:

    The resistance of wire = 12Ω

    It is bent in the form of a circle.

    Step 2: Calculation of the effective resistance between the two points on any diameter:

    As the wire is bent in the form of a circle and the diameter divides a circle into two halves,

    The resistance of the two parts will be equal.

    That is;

    The resistance of the part ACB = Resistance of the part ADB

    Since, The resistance of the whole wire = 12Ω

    Resistance of each equal part =

    12Ω 2 = 6Ω Now,

    Both the parts are connected in parallel, therefore the effective resistance between diameter AB will be given as;

    1 R e f f = 1 6 Ω + 1 6 Ω 1 R e f f = 2 6 1 R e f f = 1 3 R e f f = 3 Ω Thus,

    The effective resistance along any diameter will be

    3 Ω . Thus, Option D) 3 Ω

    is the correct option.

    Suggest Corrections 9 SIMILAR QUESTIONS

    Q. A resistance of

    10 Ω

    is bent to form a closed circle. What is the effective resistance between the two ends of any diameter of this circuit?

    Q. A wire has resistance

    12 Ω

    . It is bent in the form of a circle. The effective resistance between the two points on any diameter is equal to

    Q. A wire of resistance

    12 Ω

    per meter is bent to form a complete circle of radius 10cm. The resistance between its two diametrically opposite points,A and B is

    Q. A wire of resistance 12 ohm is bent in the form of a circular ring. The effective resistance between the two points on any diameter of the circle is:Q. A wire having resistance

    12 Ω

    is bent in the form of an equilateral triangle. The effective resistance between any two corners of the triangle will be

    स्रोत : byjus.com

    A wire of resistance 12 ohm is bent in the form of a circular ring. The effective resistance between the two points on any diameter of the circle is:

    Click here👆to get an answer to your question ✍️ A wire of resistance 12 ohm is bent in the form of a circular ring. The effective resistance between the two points on any diameter of the circle is:

    Question

    A wire of resistance 12 ohm is bent in the form of a circular ring. The effective resistance between the two points on any diameter of the circle is:

    A

    24 ohm

    B

    12 ohm

    C

    6 ohm

    D

    3 ohm

    Medium Open in App

    Updated on : 2022-09-05

    Solution Verified by Toppr

    Correct option is D)

    Resistance of wire is 12 ohm. Therefore, resistance of each semicircle = 6 ohm=6Ω

    Two resistances are in parallel.

    Their equivalent resistance =

    6+6 6×6 ​ =3 ohm

    Solve any question of Current Electricity with:-

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    स्रोत : www.toppr.com

    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.

    R(eq) = (6)/(2) = 3 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.

    Home > English > Class 12 > Physics > Chapter > Current Electricity >

    A wire has resistance 12 Omega...

    A wire has resistance

    12Ω 12Ω

    . It is bent in the form of a circle. The effective resistance between two points across a diameter is.

    Updated On: 27-06-2022

    ( 00 : 20 ) ADVERTISEMENT Text Solution Open Answer in App A 3Ω 3Ω B 6Ω 6Ω C 12Ω 12Ω D 24Ω 24Ω Answer

    The correct Answer is A

    Solution

    R eq = 6 2 =3Ω Req=62=3Ω .

    Answer

    Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

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