Discussion :: Exam Questions Paper
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Find the power absorbed or delivered by each source:
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A.
a = -32 b = - 12 c = -80 d = -60
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B.
a = -32 b = - 12 c = 80 d = 60
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C.
a = 32 b = 12 c = -80 d = 60
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D.
a = -32 b = 12 c = 80 d = -60
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Answer : Option D
Explanation :
Source a : Power : 8 x (4) = - 32 W. Source A has delivered the power as it is. - ve.
Source b: Source B has absorbed power of + 12 W as power is positive
Source c: Source C has absorbed power of 5 x 16 = 80 W
Source d: Delivers power of 3 x ix x (5) = 3 x 4 x (- 5) = -60 W
Total power of the network is - 32 + 12 + 80 - 60 = 0 Watts.
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