Physics, asked by dhanushreesp13, 1 month ago

As shown in the figure, the emf of the cell is 5 V and the internal resistance of the cell is zero. The reading of the ideal voltmeter is 5 V www 10Ω 30 22 O 12 V o 15 v A v 0 2v

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Answers

Answered by bipulpandit2006

1

Answer:

Explanation:

R

eq

=

25

15×10

+2+2r

=8+2r

i=

8+2r

3

2=iR

eq

=

8+2r

3

×6

16+4r=18

⇒r=0.5Ω

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