From the diagram above, if the potential difference acros...
From the diagram above, if the potential difference across the resistor, capacitor and inductor are 80 v, 110 v, 40 v respectively, the effective potential difference is?
116.3 V
50.0 V
230.0 V
106.3 V
Correct answer is D
V = √ (vl−vc)2+V2R
V =√ (40−110)2+802
V = √ −702+802
=√ 4900 + 6400
=√ 11300
= 106.3v
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