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Figures shows mixed grouping of identica...

Figures shows mixed grouping of identical cells each of e.m.f. 4V and internal resistance `1 Omega ` . This combination can be replaced by an equivalent cell between A and B having e.m.f. E and internal resistance r, where

A

`E = 72V, r = 18 Omega `

B

`E = 24 V, r = 18 Omega `

C

` E = 72 V, r == 2Omega `

D

` E = 2 4 V, r = 2 Omega `

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-CURRENT ELECTRICITY-ASSIGNMENT SECTION-B(OBJECTIVE TYPE QUESTION ))
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