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munna007

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Hello friends...in this questions the answer is (b) option...this is from indian engg. services exam.

if we apply mesh in loop which i have shown , then we find that

I = (10 - 5 )/10 = 0.5 amp

V=10 - 6 I = 7 volt (right acc. to answer keys)

and Rth = 2.4 ohm (i have calculated Rth)

but if we apply Nodal analysis where V is marked then

acc to that

(V-10)/6=(V-5)/4

V= -5

so we see that both results are not equal...but in answer keys 7 volt is given...

please tell me what is the problem in second method of nodal analysis.? is this wrong ?

thanks in advance...

if we apply mesh in loop which i have shown , then we find that

I = (10 - 5 )/10 = 0.5 amp

V=10 - 6 I = 7 volt (right acc. to answer keys)

and Rth = 2.4 ohm (i have calculated Rth)

but if we apply Nodal analysis where V is marked then

acc to that

(V-10)/6=(V-5)/4

V= -5

so we see that both results are not equal...but in answer keys 7 volt is given...

please tell me what is the problem in second method of nodal analysis.? is this wrong ?

thanks in advance...

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