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    the effective resistance between points p and q of the electrical circuit shown in the figure is

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    The effective resistance between points P and Q of the electric circuit shown in the figure is?A. 8 R + r /3 R + rB. 2 Rr / R + r С. 2 r +4 RD. 2.5 R +2 r

    The effective resistance between points P and Q of the electric circuit shown in the figure is?A. 8 R + r /3 R + rB. 2 Rr / R + r С. 2 r +4 RD. 2.5 R +2 r

    Question

    The effective resistance between points P and Q of the electric circuit shown in the figure is?

    A 2 R r ( R + r ) B 8 ( R + r ) ( 3 R + r ) C 2 r + 4 R D 2.5 R + 2 r Open in App Solution

    The correct option is B

    2 R r ( R + r )

    You should have gotten the hang of this by now. There are two wheatstone’s arrangements here, namely these two shown below.

    And

    In both cases, we can act as if the 2R resistor in the middle doesn’t exist.

    That reduces the circuit down to

    This is a parallel combination. Apply formula and we get

    R ′ = 2 R r ( R + r ) Suggest Corrections 0

    SIMILAR QUESTIONS

    Q. The effective resistance between points P and Q of the electric circuit shown in the figure is?

    Q. The effective resistance between points

    P and Q

    of electrical circuit shown in the figure is:

    Q. The effective resistance between points P and Q of the electrical circuit shown in figure is

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    The effective resistance between points P and Q of the electrical circuit shown in the figure is

    Click here👆to get an answer to your question ✍️ The effective resistance between points P and Q of the electrical circuit shown in the figure is

    Question

    The effective resistance between points P and Q of the electrical circuit shown in the figure is

    A

    R+r 2Rr ​

    B

    3R+r 8R(R+r) ​

    C

    2r+4R

    D

    2 5R ​ +2r Medium Open in App

    Updated on : 2022-09-05

    Solution Verified by Toppr

    Correct option is A)

    The circuit is symmetrical about axis POQ. Therefore the equivalent circuit is drawn

    ∴ R PQ ​ 1 ​ = 4R 1 ​ + 4R 1 ​ + 2r 1 ​ = 2R 1 ​ + 2r 1 ​ = 2Rr R+r ​ ⇒R PQ ​ = R+r 2Rr ​

    If a potential difference is applied across P and Q, there will be no currents in arms AO and OB. So these resistance will be ineffective.

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    स्रोत : www.toppr.com

    The effective resistance between points P and Q of the electrical circuit shown in the figure is (a) (2Rr)/(R+r) (b)(8R(R+r))/(3R +r) (c) 2r + 4R (d) (5R)/2 + 2r . .

    The effective resistance between points P and Q of the electrical circuit shown in the figure is (a) (2Rr)/(R+r) (b)(8R(R+r))/(3R +r) (c) 2r + 4R (d

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

    The effective resistance betwe...

    The effective resistance between points P and Q of the

    electrical circuit shown in the figure is

    (a) 2Rr R+r 2RrR+r (b) 8R(R+r) 3R+r 8R(R+r)3R+r (c) 2r+4R 2r+4R (d) 5R 2 +2r 5R2+2r .

    .

    Updated On: 27-06-2022

    00 : 30

    UPLOAD PHOTO AND GET THE ANSWER NOW!

    Text Solution Open Answer in App A 2Rr R+r 2RrR+r B 2R(R+r) 3R+r 2R(R+r)3R+r C 2r+4R 2r+4R D 5R 2 +2r 5R2+2r Answer

    The correct Answer is A

    Answer

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

    Transcript

    students education is the resistance between points P and Q of the electrical circuit shown in the figure is the resistance of Cancer the effective resistance between the points P and Q letter to solve this electrical network according to two capital are divided by small are the price of smaller this tourist the given Bridge is it balance condition and then

    we can remove from the fact Premier League this lower resistance means the square of a resistance can also be neglected means can be removed from the surface after removing we get rid of small small this is twice of this is also true that are equivalent will be equal to twice of 8 plus price of earth this would become 4 times of follower it will be same

    and it will become small 8 plus that will be equal to draw like a lot of time ok this small arrest and point will be and all that was given by that is equivalent will become equal to 1 upon

    4 + 1 divided by 2 + 1 divided by 4 times of hard this would become that would + 1 / to earth IndiaMART + b equal to the reciprocal of equivalent which can also be given as the effective resistance between point and you will become class 22 in small to Capital artwork by capsule are small and will be required to option

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    a=2p+3q-r,b=p-2q+2randc=-2p+q-2r,

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    The equivalent resistance between A and B in the situation shown is ER R A 2R 2R

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